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The inside of a cactus is filled with a very sponge-like, fleshy white core. When it rains, or moisture is collected through dew, the cactus absorbs a large amount of water and stores it in the spongy cells, similar to how camels store fat in their humps. When it gets hot again, the cactus feeds very slowly off its new water supply to stay alive. Cacti do not grow very fast. This is because the energy it would take to grow quickly would use up all their stored water they need to survive.

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16y ago
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12y ago

if cactus stopped living in the deserts some wildlife wouldn't survive because the cactus stores water and that's where most animals get their water source

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Q: How can a cactus stay alive in the desert?
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