Question

leaves of desert plants are reduced to spines to prevent transpiration. How do such plants prepare food?​

Answer 1

The leaves of the desert plants are reduced to spines to help to prevent the loss of water by transpiration. Transpiration is the process by which plants give out excess water in the form of vapour from their aerial parts.

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Answer 2

the leaves are reduce to spines to minimize water loss.

the stem gets modified into flattened structures to perform photosynthesis. this happens in opuntia.

the stem can also be modified into cylindrical structures to perform photosynthesis. this happens in euphorbia.