Question

Why do desert plants have thick cuticles and their leaves are turned into thorns

Answer 1

Desert plants have leaves that have evolved into spines, which help minimize water loss by evaporation and screen the plant from the sun. Their thorny spines also help protect them from predators.

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Answer 2

Cuticles- They are formed in desert plants like cactus to store water in a form of white liquid.

Thorns- They are present in cactus for two reasons:

They protect themselves from other predators from being eaten. They are also used so that water is not lost during the process of transpiration.

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