Multiple choice

Aves are ______ blooded animals.

  1. warm

  2. cold

  3. Both (1) and (2)

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Warm-blooded animal species can maintain a body temperature higher than their environment. In particular, homeothermic species maintain a stable body temperature by regulating metabolic processes. The only known homeotherms are mammals and birds.

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