Yuk, kita bedah anatomi organ vegetatif pada tumbuhan! Ada akar, batang, dan daun. Eits, tapi sudah tahu belum apa sih, maksud dari organ vegetatif? Biar tahu, baca selengkapnya di artikel Biologi kelas 11 ini, ya!
—
Ketika kamu melihat tumbuhan, mungkin yang kamu lihat hanya beberapa bagiannya saja seperti daun, batang, ranting, dan terkadang akarnya. Tapi, tahu nggak sih, kalau ternyata struktur tumbuhan itu jauh lebih kompleks lho, termasuk organ-organ di dalamnya.
Hmm.. kira-kira seperti apa ya, organ pada tumbuhan? Apakah sama dengan organ manusia? Yuk, kita bahas bersama!
Tumbuhan itu terdiri dari dua macam organ, ada organ vegetatif dan generatif. Organ vegetatif adalah bagian-bagian tumbuhan yang digunakan untuk mendukung pertumbuhan, sedangkan organ generatif berguna untuk proses perkembangbiakan. Nah, di artikel ini, kita hanya akan fokus belajar tentang organ vegetatif saja yaitu akar, batang, dan daun.
1. Akar
Kamu tahu nggak, kenapa akar sering disebut sebagai ‘pencari makan’ bagi tumbuhan? Hal ini disebabkan karena akar berfungsi untuk menyerap air dan mineral yang ada di tanah, sehingga tumbuhan bisa mendapat berbagai nutrisi yang dibutuhkannya untuk hidup.
Selain itu, akar juga berfungsi untuk memperkuat batang dan sebagai tempat penyimpanan cadangan makanan. Contoh tumbuhan yang menyimpan cadangan makanan di akar adalah wortel. Wortel itu bukan buah ya, teman-teman! Wortel itu berkembang dari akar utama yang membesar karena dijadikan sebagai tempat penyimpanan cadangan makanan.
Pertumbuhan tanaman wortel (Sumber: socratic.org)
Pada beberapa tumbuhan, akar juga berfungsi sebagai alat reproduksi vegetatif, yaitu reproduksi yang tidak melibatkan pertemuan antara alat kelamin jantan dan betina.
Nah, setelah tahu fungsi akar, kita masuk ke anatominya, yuk!
Struktur luar akar terdiri atas akar lateral, akar primer, rambut akar, ujung akar, dan tudung akar. Tudung akar berfungsi sebagai pelindung sel akar dari kerusakan saat menembus tanah, sedangkan rambut akar berperan dalam menyerap air dan mineral dalam tanah.
Kalau kita lihat struktur anatomi akar dari penampang melintang, terdapat persamaan dan juga perbedaan antara akar dikotil dan akar monokotil. Nah, pada bagian pertama, yaitu epidermis akar, baik pada akar monokotil dan dikotil, epidermis ini merupakan bagian yang letaknya paling luar. Bagian ini berperan sebagai pelindung. Lalu, ada beberapa bagian epidermis yang termodifikasi menjadi rambut akar.
Selanjutnya, bagian kedua yaitu korteks. Korteks merupakan jaringan dasar yang terletak di antara epidermis dan endodermis. Akar monokotil dan dikotil sama-sama memiliki korteks yang biasanya didominasi oleh jaringan dasar berupa parenkim. Jaringan parenkim ini berperan sebagai tempat menyimpan cadangan makanan.
Baca Juga: Tipe-Tipe Perkecambahan pada Tumbuhan
Bagian ketiga yaitu stele atau silinder pusat. Bagian ini dibatasi oleh endodermis, yaitu jaringan yang dindingnya memiliki pita kaspari dengan sifat anti air atau waterproof. Sehingga endodermis ini berperan mengatur masuknya air dan mineral menuju xilem di stele.
Selain itu, di bagian stele juga terdapat berkas pembuluh yang berisikan xilem dan floem. Pada akar monokotil, susunan berkas pembuluhnya melingkar dengan xilem dan floem terletak selang-seling. Karena susunannya melingkar, maka akar monokotil memiliki empulur dibagian tengah stele yang berisikan jaringan parenkim. Nah, hal ini berbeda dengan akar dikotil. Xilem pada akar dikotil terletak di tengah, biasanya membentuk huruf X atau tanpa +. Floemnya terletak diantara lengan xilemnya. Karena dibagian tengah ada xilem, maka akar dikotil tidak memiliki empulur.
2. Batang
Pernah nggak kamu makan tebu? Nah, ketika kita menggigit tebu, bagian yang kita gigit sebenarnya adalah bagian batang. Batang ini fungsinya sama seperti mobil, yaitu sebagai alat transportasi. Zat yang ‘melewati’ batang ini salah satunya adalah air. Air dari akar ke daun serta hasil fotosintesis dari daun ke akar, akan melewati batang.
Batang juga berfungsi sebagai tempat melekatnya daun, bunga, dan buah, serta sebagai tempat menyimpan cadangan makanan. Beberapa tumbuhan yang menyimpan cadangan makanannya di batang adalah tebu, sagu, dan kaktus. Selain itu, pada beberapa tumbuhan, batang juga berfungsi sebagai alat reproduksi vegetatif, seperti pada tanaman singkong.
Morfologi batang tidak sama pada semua tumbuhan. Pada batang herba (batang lunak seperti pada tanaman bayam, kangkung, dll), batang umumnya berwarna hijau, lunak, kecil, dan terdapat stomata. Sedangkan pada batang berkayu batang akan terasa keras, tebal, dan mengandung lentisel. Kemudian, semua batang juga pasti memiliki nodus dan internodus. Nodus adalah tempat menempelnya daun, sedangkan internodus adalah jarak antara 2 nodus.
Struktur anatomi untuk batang monokotil dan dikotil agak berbeda ya, guys! Tapi secara umum, baik pada batang dikotil maupun monokotil, terdapat 3 bagian yaitu epidermis, berkas pembuluh, dan jaringan dasar. Untuk bagian epidermis, baik pada batang monokotil dan dikotil tidak terlalu berbeda ya, secara anatomi. Perbedaan antara anatomi batang dikotil dan monokotil terdapat pada jaringan dasar dan berkas pembuluhnya.
Baca Juga: 6 Jenis Jaringan Tumbuhan & Fungsinya, Apa Saja Ya?
Jaringan dasar pada batang dikotil dapat dibedakan menjadi korteks yang terletak di pinggir dan empulur di bagian tengah. Sedangkan pada monokotil, batas antara korteks dan empulur tidak jelas sehingga disebut jaringan dasar saja.
Berkas pembuluh merupakan gabungan antara xilem dan floem. Kalau di batang dikotil, berkas pembuluhnya tersusun pada kambium makanya terlihat melingkar dan lebih rapi. Hasil pembelahan kambium ke arah dalam akan menghasilkan xilem, sedangkan pembelahan kambium ke arah luar akan menghasilkan floem. Sementara itu, pada batang monokotil tidak terdapat kambium, makanya berkas pembuluhnya itu letaknya menyebar.
3. Daun
Ini dia organ vegetatif yang ketiga, yaitu daun! Daun ini merupakan tempat terjadinya proses fotosintesis, nih. Selain sebagai tempat fotosintesis, pada beberapa tumbuhan, daun juga berfungsi sebagai alat reproduksi vegetatif, seperti pada cocor bebek. Daun juga berfungsi sebagai tempat penyimpanan cadangan makanan dan tempat terjadinya transpirasi atau penguapan air.
Secara morfologi, bagian-bagian daun itu ada helai daun, tulang daun, dan pada beberapa daun ada juga yang punya tangkai daun atau pelepah daun. Sedangkan secara anatomi, bagian-bagian daun itu ada epidermis, yang biasanya transparan agar cahaya dapat lewat dan menyinari jaringan yang lebih dalam. Kemudian, ada stomata yang bisa membuka dan menutup sebagai tempat keluar masuknya gas CO2 dan O2 serta uap air.
Selanjutnya ada mesofil, yang terbagi menjadi jaringan palisade dan spons. Palisade adalah jaringan dengan sel yang panjang dan banyak mengandung kloroplas untuk fotosintesis. Sedangkan jaringan spons adalah jaringan yang memiliki kloroplas namun memiliki banyak ruang antar sel untuk transportasi gas di dalam daun. Terakhir, ada juga berkas pengangkut, yang fungsinya adalah untuk transportasi air dan hasil fotosintesis.
Baca Juga: Bagian-Bagian Tumbuhan dan Fungsinya
—
Ternyata tumbuhan bukan hanya sekedar daun dan batang saja, ya! Masih ada banyak bagian tumbuhan yang perlu kamu tahu. Nah, biar kamu bisa lebih mengenal anatomi organ pada tumbuhan, yuk tonton pembahasan lengkapnya di ruangbelajar! Download aplikasinya sekarang!
Referensi:
Irnaningtyas, Istiadi Y. (2016). Biologi untuk SMA/MA Kelas XI Kurikulum 2013 yang Disempurnakan Edisi Revisi. Jakarta: Erlangga.
Sumber Gambar:
Gambar ‘Siklus Hidup Wortel’ [Daring]. Tautan: https://socratic.org/questions/58bf0aab7c01496c150059a6 (Diakses: 8 September 2021)
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<h1 class="content-title">
Mengenal Anatomi Organ Vegetatif pada Tumbuhan | Biologi Kelas 11 </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/kenya-swawikanti" class="">Kenya Swawikanti</a> </p>
<p class="content-info"><span>September 15, 2025 • </span> <span>6 minutes read</span></p>
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<p style="line-height: 1.5;"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/e3b950f2-f823-4cb0-b56b-66e0e137a4bf.png" alt="organ vegetatif tumbuhan" width="820" /></p>
<blockquote>
<p style="line-height: 1.5; text-align: center; font-size: 16px;"><em>Yuk, kita bedah anatomi organ vegetatif pada tumbuhan! Ada <strong>akar, batang, dan daun</strong>. Eits, tapi sudah tahu belum apa sih, maksud dari organ vegetatif? Biar tahu, baca selengkapnya di <strong><a href="https://www.ruangguru.com/blog/c/biologi/biologi-sma-kelas-11">artikel Biologi kelas 11</a></strong> ini, ya!</em></p>
<p style="line-height: 1.5; text-align: center; font-size: 16px;"><em>—</em></p>
</blockquote>
<p> </p>
<p style="text-align: justify; line-height: 1.5;"><span style="background-color: transparent;">Ketika kamu melihat tumbuhan, mungkin yang kamu lihat hanya beberapa bagiannya saja seperti daun, batang, ranting, dan terkadang akarnya. Tapi, tahu nggak sih, kalau ternyata struktur tumbuhan itu jauh lebih kompleks lho, termasuk organ-organ di dalamnya. </span></p>
<p style="text-align: justify; line-height: 1.5;"><span style="background-color: transparent;"><em>Hmm</em>.. kira-kira seperti apa ya, </span><span style="background-color: transparent;">organ pada tumbuhan? Apakah sama dengan organ manusia? Yuk, kita bahas bersama</span><span style="background-color: transparent;">!</span></p>
<p style="text-align: justify;">Tumbuhan itu terdiri dari dua macam organ, ada <strong>organ vegetatif dan generatif</strong>. <strong>Organ vegetatif</strong> adalah bagian-bagian tumbuhan yang digunakan untuk <strong>mendukung pertumbuhan</strong>, sedangkan <strong>organ generatif</strong> berguna untuk <strong>proses perkembangbiakan</strong>. Nah, di artikel ini, kita hanya akan fokus belajar tentang organ vegetatif saja yaitu akar, batang, dan daun.</p>
<p> </p>
<h2><span style="font-size: 18pt;">1. Akar</span></h2>
<p style="text-align: justify; line-height: 1.5;">Kamu tahu nggak, kenapa akar sering disebut sebagai ‘pencari makan’ bagi tumbuhan? Hal ini disebabkan karena akar berfungsi untuk <span style="font-weight: bold;">menyerap air dan mineral yang ada di tanah</span>, sehingga tumbuhan bisa mendapat berbagai nutrisi yang dibutuhkannya untuk hidup.</p>
<p style="text-align: justify; line-height: 1.5;">Selain itu, akar juga berfungsi untuk <span style="font-weight: bold;">memperkuat batang dan sebagai tempat penyimpanan cadangan makanan</span>. Contoh tumbuhan yang menyimpan cadangan makanan di akar adalah wortel. Wortel itu bukan buah ya, teman-teman! Wortel itu berkembang dari akar utama yang membesar karena dijadikan sebagai tempat penyimpanan cadangan makanan.</p>
<p style="line-height: 1.5; text-align: center;"><img decoding="async" style="width: 534px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/siklus%20hidup%20wortel.jpg" alt="siklus hidup wortel" width="534" />Pertumbuhan tanaman wortel (Sumber: socratic.org)</p>
<p> </p>
<p style="text-align: justify; line-height: 1.5;">Pada beberapa tumbuhan, akar juga berfungsi sebagai <span style="font-weight: bold;">alat reproduksi vegetatif</span>, yaitu reproduksi yang tidak melibatkan pertemuan antara alat kelamin jantan dan betina.</p>
<p style="text-align: justify; line-height: 1.5;">Nah, setelah tahu fungsi akar, kita masuk ke anatominya, yuk!</p>
<p style="text-align: justify; line-height: 1.5;">Struktur luar akar terdiri atas <span style="font-weight: bold;">akar lateral</span>, <span style="font-weight: bold;">akar primer</span>, <span style="font-weight: bold;">rambut akar</span>, <span style="font-weight: bold;">ujung akar</span>, dan <span style="font-weight: bold;">tudung akar</span>. Tudung akar berfungsi sebagai pelindung <a href="/blog/biologi-kelas-11-struktur-sel-dan-fungsinya" rel="noopener"><span style="font-weight: bold;">sel</span></a> akar dari kerusakan saat menembus tanah, sedangkan rambut akar berperan dalam menyerap air dan mineral dalam tanah.</p>
<p style="line-height: 1.5;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Struktur%20Anatomi%20Akar.jpg" alt="Struktur Anatomi Akar" width="600" /></p>
<p> </p>
<p style="line-height: 1.5; text-align: justify;">Kalau kita lihat struktur anatomi akar dari penampang melintang, terdapat <span style="font-weight: bold;">persamaan dan juga perbedaan antara akar dikotil dan akar monokotil</span>. Nah, pada bagian pertama, yaitu <span style="font-weight: bold;">epidermis</span> akar, baik pada akar monokotil dan dikotil, epidermis ini merupakan bagian yang letaknya paling luar. Bagian ini berperan sebagai <span style="font-weight: normal;">pelindung</span>. Lalu, ada beberapa bagian epidermis yang termodifikasi menjadi <span style="font-weight: bold;">rambut akar</span>.</p>
<p style="text-align: justify; line-height: 1.5;">Selanjutnya, bagian kedua yaitu korteks. <span style="font-weight: bold;">Korteks</span> merupakan jaringan dasar yang terletak di antara epidermis dan endodermis. Akar monokotil dan dikotil sama-sama memiliki korteks yang biasanya didominasi oleh jaringan dasar berupa <span style="font-weight: bold;">parenkim</span>. Jaringan parenkim ini berperan sebagai tempat menyimpan cadangan makanan.</p>
<p style="text-align: justify; line-height: 1.5;"><span style="color: #000000;"><strong>Baca Juga: <a href="/blog/tipe-perkecambahan" rel="noopener">Tipe-Tipe Perkecambahan pada Tumbuhan</a></strong></span></p>
<p style="text-align: justify; line-height: 1.5;">Bagian ketiga yaitu <span style="font-weight: bold;">stele</span> <span style="font-weight: bold;">atau silinder pusat</span>. Bagian ini dibatasi oleh <span style="font-weight: bold;">endodermis</span>, yaitu jaringan yang dindingnya memiliki pita kaspari dengan sifat anti air atau <em>waterproof</em>. Sehingga endodermis ini berperan mengatur masuknya air dan mineral menuju xilem di stele.</p>
<p style="text-align: justify; line-height: 1.5;">Selain itu, di bagian stele juga terdapat <span style="font-weight: bold;">berkas pembuluh</span> yang berisikan <span style="font-weight: bold;">xilem dan floem</span>. <span style="font-weight: bold;">Pada akar monokotil</span>, susunan berkas pembuluhnya melingkar dengan xilem dan floem terletak selang-seling. Karena susunannya melingkar, maka akar monokotil memiliki empulur dibagian tengah stele yang berisikan jaringan parenkim. Nah, hal ini berbeda dengan akar dikotil. <span style="font-weight: bold;">Xilem pada akar dikotil</span> terletak di tengah, biasanya membentuk huruf X atau tanpa +. Floemnya terletak diantara lengan xilemnya. Karena dibagian tengah ada xilem, maka akar dikotil tidak memiliki empulur.</p>
<p> </p>
<h2><span style="font-size: 18pt;">2. Batang</span></h2>
<p style="text-align: justify; line-height: 1.5;">Pernah nggak kamu makan tebu? Nah, ketika kita menggigit tebu, bagian yang kita gigit sebenarnya adalah bagian batang. Batang ini fungsinya sama seperti mobil, yaitu sebagai <span style="font-weight: bold;">alat transportasi</span>. Zat yang ‘melewati’ batang ini salah satunya adalah air. Air dari akar ke daun serta hasil fotosintesis dari daun ke akar, akan melewati batang.</p>
<p style="text-align: justify; line-height: 1.5;">Batang juga berfungsi sebagai <span style="font-weight: bold;">tempat melekatnya daun, bunga, dan buah</span>, serta sebagai <span style="font-weight: bold;">tempat menyimpan cadangan makanan</span>. Beberapa tumbuhan yang menyimpan cadangan makanannya di batang adalah tebu, sagu, dan kaktus. Selain itu, pada beberapa tumbuhan, batang juga berfungsi sebagai alat reproduksi vegetatif, seperti pada tanaman singkong.</p>
<p style="text-align: justify; line-height: 1.5;">Morfologi batang tidak sama pada semua tumbuhan. Pada <span style="font-weight: bold;">batang</span> <span style="font-weight: bold;">herba</span> (batang lunak seperti pada tanaman bayam, kangkung, dll), batang umumnya berwarna hijau, lunak, kecil, dan terdapat stomata. Sedangkan pada <span style="font-weight: bold;">batang berkayu</span> batang akan terasa keras, tebal, dan mengandung lentisel. Kemudian, semua batang juga pasti memiliki <span style="font-weight: bold;">nodus</span> dan <span style="font-weight: bold;">internodus</span>. Nodus adalah tempat menempelnya daun, sedangkan internodus adalah jarak antara 2 nodus.</p>
<p style="line-height: 1.5;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Nodus%20dan%20Internodus%20pada%20Batang.jpg" alt="Nodus dan Internodus pada Batang" width="600" /></p>
<p> </p>
<p style="line-height: 1.5; text-align: justify;">Struktur anatomi untuk batang monokotil dan dikotil agak berbeda ya, <em>guys</em>! Tapi secara umum, baik pada batang dikotil maupun monokotil, terdapat 3 bagian yaitu <span style="font-weight: bold;">epidermis</span>, <span style="font-weight: bold;">berkas pembuluh</span>, dan <span style="font-weight: bold;">jaringan dasar</span>. Untuk bagian epidermis, baik pada batang monokotil dan dikotil tidak terlalu berbeda ya, secara anatomi. Perbedaan antara anatomi batang dikotil dan monokotil terdapat pada jaringan dasar dan berkas pembuluhnya.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/5-jenis-jaringan-pada-tumbuhan-beserta-fungsinya">6 Jenis Jaringan Tumbuhan & Fungsinya, Apa Saja Ya?</a></strong></p>
<p style="text-align: justify; line-height: 1.5;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Struktur%20Anatomi%20Batang.jpg" alt="Struktur Anatomi Batang" width="600" /></p>
<p> </p>
<p style="text-align: justify; line-height: 1.5;"><span style="font-weight: bold;">Jaringan dasar pada batang dikotil</span> dapat dibedakan menjadi <span style="font-weight: bold;">korteks</span> yang terletak di pinggir dan <span style="font-weight: bold;">empulur</span> di bagian tengah. Sedangkan <span style="font-weight: bold;">pada monokotil</span>, batas antara korteks dan empulur <span style="font-weight: normal;">tidak jelas</span> sehingga disebut <span style="font-weight: bold;">jaringan dasar</span> saja.</p>
<p style="text-align: justify; line-height: 1.5;">Berkas pembuluh merupakan <span style="font-weight: bold;">gabungan antara xilem dan floem</span>. Kalau di batang dikotil, berkas pembuluhnya <span style="font-weight: bold;">tersusun pada kambium</span> makanya terlihat melingkar dan lebih rapi. Hasil pembelahan kambium ke arah dalam akan menghasilkan xilem, sedangkan pembelahan kambium ke arah luar akan menghasilkan floem. Sementara itu, pada batang monokotil tidak terdapat kambium, makanya berkas pembuluhnya itu letaknya menyebar.</p>
<p> </p>
<h2><span style="font-size: 18pt;">3. Daun</span></h2>
<p style="text-align: justify; line-height: 1.5;">Ini dia organ vegetatif yang ketiga, yaitu daun! Daun ini merupakan tempat terjadinya proses <span style="font-weight: bold;">fotosintesis</span>, nih. Selain sebagai tempat fotosintesis, pada beberapa tumbuhan, daun juga berfungsi sebagai <span style="font-weight: bold;">alat reproduksi vegetatif</span>, seperti pada cocor bebek. Daun juga berfungsi sebagai <span style="font-weight: normal;">tempat </span><span style="font-weight: bold;">penyimpanan cadangan makanan</span> dan <span style="font-weight: normal;">tempat terjadinya</span><span style="font-weight: bold;"> transpirasi </span><span style="font-weight: normal;">atau penguapan air.</span></p>
<p style="line-height: 1.5;"><img decoding="async" style="width: 600px; margin-left: auto; margin-right: auto; display: block;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/Struktur%20Anatomi%20Daun.jpg" alt="Struktur Anatomi Daun" width="600" /></p>
<p> </p>
<p style="line-height: 1.5; text-align: justify;"><span style="font-weight: normal;">Secara morfologi</span>, bagian-bagian daun itu ada <span style="font-weight: bold;">helai daun</span>, <span style="font-weight: bold;">tulang daun</span>, dan pada beberapa daun ada juga yang punya <span style="font-weight: bold;">tangkai daun atau pelepah daun</span>. Sedangkan secara anatomi, bagian-bagian daun itu ada <span style="font-weight: bold;">epidermis</span>, yang biasanya transparan agar cahaya dapat lewat dan menyinari jaringan yang lebih dalam. Kemudian, ada <span style="font-weight: bold;">stomata</span> yang bisa membuka dan menutup sebagai tempat keluar masuknya gas CO<sub>2</sub> dan O<sub>2</sub> serta uap air.</p>
<p style="text-align: justify; line-height: 1.5;">Selanjutnya ada <span style="font-weight: bold;">mesofil</span>, yang terbagi menjadi jaringan <span style="font-weight: bold;">palisade </span><span style="font-weight: normal;">dan</span><span style="font-weight: bold;"> spons</span>. Palisade adalah jaringan dengan sel yang panjang dan banyak mengandung <span style="font-weight: bold;">kloroplas</span> untuk fotosintesis. Sedangkan jaringan spons adalah jaringan yang memiliki kloroplas namun memiliki banyak <span style="font-weight: bold;">ruang antar sel</span> untuk transportasi gas di dalam daun. Terakhir, ada juga <span style="font-weight: bold;">berkas pengangkut</span>, yang fungsinya adalah untuk transportasi air dan hasil fotosintesis.</p>
<p><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/organ-tumbuhan">Bagian-Bagian Tumbuhan dan Fungsinya</a> </strong></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify; line-height: 1.5;">Ternyata tumbuhan bukan hanya sekedar daun dan batang saja, ya! Masih ada banyak bagian tumbuhan yang perlu kamu tahu. Nah, biar kamu bisa lebih mengenal anatomi organ pada tumbuhan, yuk tonton pembahasan lengkapnya di <a href="https://www.ruangguru.com/ruangbelajar" target="_blank" rel="noopener"><span style="font-weight: bold;">r</span><strong>uangbelajar</strong></a>! <span style="font-style: italic;">Download</span> aplikasinya sekarang!</p>
<p><a href="https://bayar.ruangguru.com/"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/e3260f88-1749-4d3b-8973-be3aae07a94c.jpg" alt="CTA Ruangguru" /></a></p>
<p style="text-align: justify; line-height: 1.5;"><strong>Referensi:</strong></p>
<p style="line-height: 1.5; text-align: left;">Irnaningtyas, Istiadi Y. (2016). <em>Biologi untuk SMA/MA Kelas XI Kurikulum 2013 yang Disempurnakan Edisi Revisi</em>. Jakarta: <span style="background-color: transparent; font-size: 1rem;">Erlangga</span><span style="background-color: transparent; font-size: 1rem;">.</span></p>
<p style="line-height: 1.5; text-align: left;"><strong>Sumber Gambar:</strong></p>
<p style="line-height: 1.5; text-align: left;">Gambar ‘Siklus Hidup Wortel’ [Daring]. Tautan: https://socratic.org/questions/58bf0aab7c01496c150059a6 (Diakses: 8 September 2021)</p>
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<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/facebook.png" loading="lazy" alt="Logo Facebook Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/twitter.png" loading=" lazy" alt="Logo Twitter Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.youtube.com/ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/youtube.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/youtube.png" loading=" lazy" alt="Logo Youtube Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.linkedin.com/company/ruangguru-com">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/linkedin.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/linkedin.png" loading=" lazy" alt="Logo LinkedIn Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.tiktok.com/@ruangguru">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/tiktok.png?height=60&convert=webp" type="image/webp">
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<img src="https://cdn-web-2.ruangguru.com/static/tiktok.png" loading=" lazy" alt="Logo TikTok Footer" width="32px" height="32px" />
</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>