一、Endotherms And Ectotherms托福听力原文： NARRATOR:Listen to part of a lecture in a biology class. FEMALE PROFESSOR:So,to review....who remembers how animals are classified,in terms of body temperature?Mike?

Lizards communicate by doing push-ups and other athletic displays. They convey territoriality, courtship displays, and other messages with various combinations of push-ups, body postures, head ...

Lizards communicate by doing push-upsand other athletic displays. They convey territoriality, courtshipdisplays, and other messages with various combinations of push-ups, body postures, head movements ...