Features that have been retained by reptiles from the time they replaced the amphibians as the dominant terrestrial vertebrates include all of the following,except

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Endothermy is not a feature that has been retained by reptiles from the time they replaced the amphibians as the dominant terrestrial vertebrates. In fact, reptiles are ectothermic, meaning they rely on external sources of heat to regulate their body temperature. The other options are correct - amniotic eggs are a defining feature of reptiles, dry skin helps prevent water loss on land, thoracic breathing is necessary for efficient respiration, and reoriented appendages (limbs under the body rather than to the side) provide better support and allow for more efficient movement on land.

Features That Have Been Retained by Reptiles from the Time