Question 9
Animal KingdomFishes are cold-blooded because their body temperature is
- A.constantly low
- B.Constantly high
- C.dependent on that of their surroundings
- D.regulated at will.
Show the answer and explanation
Answer: C (dependent on that of their surroundings)
Explanation
Cold-blooded (poikilothermic) animals cannot keep their own body temperature steady; it rises and falls with the temperature of the surroundings.