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Alona [7]
2 years ago
8

How are thorns and spines related to drought resistance?

Biology
1 answer:
Tresset [83]2 years ago
7 0

Answer:

To survive in drought conditions, plants need to decrease transpiration to limit their water loss. Some plants that live in dry conditions have evolved to have smaller leaves and therefore fewer stomata. Extreme examples are plants with leaves that resemble spiky thorns or spines.

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Sympathetic nervous system

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