资讯
Cal: I am liking plants a lot right now, so let's find out more on how the structures of leaves help plants to photosynthesise. VOICEOVER: Leaves come in all shapes and sizes, depending on the ...
Particles in the air can enter leaves through various pathways, such as through structures on the leaf surface called the stomata and through the cuticle 5. Stomata are small openings made of ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果