Ectotherm

This is a picture taken of a turtle. Turtles are ectothermic. An ectotherm is an organism that relies on outer sources of body heat. Fish, reptiles, amphibians, and invertebrates are ectotherms. Turtles are cold-blooded, therefore, they aren't capable of warming themselves up in colder climates, causing them to migrate to warmer climates.




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