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multipetaled |
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| navigate by keyword : adaptations against air and atacama being branch cacti cactus called close conserve defending desert driest drought dry earth environments even extremely feature flow flowers found from give habitats have help herbivores highly identifying kind least leaves live loss lost many modified most multipetaled one only places prevent produced providing reduced reducing retaining rise shade show some specialized species spines structures tubular usually water well which |
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| Most cacti live in habitats subject to at least some drought. Many live in extremely dry environments, even being found in the Atacama Desert, one of the driest places on earth. Cacti show many adaptations to conserve water. Most species of cacti have lost true leaves, retaining only spines, which are highly modified leaves. As well as defending against herbivores, spines help prevent water loss by reducing air flow close to the cactus and providing some shade. Cactus spines are produced from specialized structures called areoles, a kind of highly reduced branch. Areoles are an identifying feature of cacti. As well as spines, areoles give rise to flowers, which are usually tubular and multipetaled. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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