Question 29
What are the physiological adaptive modifications of cactus?
Answer
The physiological adaptive modifications of cactus include the following:
- Thick epidermis and waxy cuticle: The epidermis of cactus is covered with a thick cuticle and wax layer that prevents water loss by reducing the transpiration rate.
- Reduced leaves: Cactus has reduced the size and number of leaves to minimize water loss through transpiration.