An ectotherm is an animal that relies on environmental interactions to help control its body temperature. Which of the following animals is an ectotherm?
A) robin
B) koala
C) horse
D) anaconda
An anaconda is a reptile and an ectotherm. Ectotherms lack fur or feathers which supply insulation. Ectotherms are commonly called "cold blooded" animals and include frogs, turtles, snakes and fish.
