Answer the following question given this paragraph: 

Reptiles cold-blooded, or ectothermic, meaning that their heat come from their environment. Sometimes defined as all amniotes that are not birds or mammals. Reptiles can be classified by skull structure into four groups: • • • •.


Q: What term given to animals like reptiles is a synonym for ectothermic, which means that their heat comes from their environment?


A:
cold-blooded