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Why do cacti have spines?

Charlotte Brown | 2023-05-05 14:01:27 | page views：1019
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Harper Collins

Studied at the University of Barcelona, Lives in Barcelona, Spain.
In addition, cacti have spines instead of leaves. These minimise the surface area and so reduce water loss by transpiration. The spines also protect the cacti from animals that might eat them. Watch this clip to see how the saguaro cactus stores water in its stem.
2023-05-11 14:01:27
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Benjamin Martinez

QuesHub.com delivers expert answers and knowledge to you.
In addition, cacti have spines instead of leaves. These minimise the surface area and so reduce water loss by transpiration. The spines also protect the cacti from animals that might eat them. Watch this clip to see how the saguaro cactus stores water in its stem.
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