Multiple choice

Frog is a cold-blooded animal because ____.

  1. its blood always remains cold

  2. it can live in cold waters

  3. it cannot regulate its body temperature

  4. its blood always has temperature lower than the atmosphere
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cold-blooded (ectothermic) animals like frogs cannot regulate their body temperature internally. Their temperature changes with the environment, and they rely on external heat sources. Options A, B, and D are incorrect - their blood isn't always cold, they inhabit various temperatures, and their blood temperature matches the environment.

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