Science, asked by sinhavidya1972, 2 days ago

How is the stem modified in a cactus?​

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Answered by Nightmare12600
0

Answer:

Cactus pads are actually modified stems with a waxy coating. ... Cacti utilize CAM photosynthesis, a process unique to succulents. In CAM photosynthesis, stomata open only at night when the plant is relatively cool, so less moisture is lost through transpiration.

Explanation:

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