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Harlamova29_29 [7]
3 years ago
15

Lớp biểu bì trong lá là gì

Biology
1 answer:
Rus_ich [418]3 years ago
4 0

Answer:

Lớp biểu bì là một lớp tế bào duy nhất bao phủ lá, hoa, rễ và thân cây. Nó tạo thành một ranh giới giữa nhà máy và môi trường bên ngoài. Lớp biểu bì phục vụ một số chức năng: nó bảo vệ chống mất nước, điều chỉnh trao đổi khí, tiết ra các hợp chất trao đổi chất và (đặc biệt là trong rễ) hấp thụ các chất dinh dưỡng nước và khoáng chất.

Explanation:

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