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What features allowed the reptiles to be so successful in dry environment?
Wiki User
∙ 16y ago
Reptiles can thrive in arid environments due to the feature of cold blooded circulation. In warm blooded animals, mostly mammals, there are only two chambers in the heart that mixes and converges the oxygenated blood with the un-oxygenated blood, and that conversion produces heat. Reptiles, amphibians, and birds are cold blooded beings. Which means that there are four chambers in the heart. These four chambers are divided into two sections that separate the the oxygenated blood from the un-oxygenated blood, thus decreasing internal body temperatures and the rate the metabolism correlates with the body. This results in less food or vegetation to be consumed for survival.
Wiki User
∙ 14y ago
Wiki User
∙ 16y agoamnion in egg
leathery skin that doesn't lose much water
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