Lizard is a poikilothermic animals why?

lizards and other ectotherms are cold-blooded animals that lack the ability to generate body heat internally. Also known as poikilotherms, these animals must rely entirely on external sources to regulate their body temperature, both to stay warm and to avoid becoming overheated.

lizard are cold blooded and they rely on their environment in order to keep warm that's why lizards usually live in hotter climate depending on the lizard.

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