Animals such as fish and reptiles, whose body temperature changes with the environment, are called
Correct answer: D. ectotherms
- A. endotherms
- B. homeotherms
- C. warm blooded animals
- D. ectotherms
Explanation
Ectotherms gain heat from outside sources and so track ambient temperature, whereas endotherms generate their own heat metabolically. Cold blooded is the older term for the same idea.
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