the spine helps in cactus survinig without water for many days
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Answer:
Water preservation
Explanation:
Cactus spines are modified leaves that prevent loss of water by transpiration, allowing the cacti to conseve water and survive without new water replenishment.
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Answer:Because it has no leaves, it doesn't give up its water through evaporation as easily as other plants. Its stems are thick with a lot of room for storing water, and with a protective covering that keeps the stored water inside. Some cactus species can go for two years without water.
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