ºÝºÝߣ

This document discusses the characteristics and adaptations of reptiles. It notes that reptiles and amphibians both share characteristics with chordates. Reptiles have developed adaptations to live on land such as dry scales, thick skin, and amniotic eggs to prevent water loss. Their circulatory system includes a three-chambered heart and double-looped circulatory system. Reptiles are ectothermic and must rely on external heat sources to regulate their body temperature.Read less