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WAEC Biology 2006 Question 20

Question 20

Homeostasis

An organism which maintains a constant temperature irrespective of environmental temperature fluctuation is

  1. A.an insect
  2. B.a mammal
  3. C.an amphibian
  4. D.a fish
Show the answer and explanation

Answer: B (a mammal)

Explanation

Mammals (and birds) are warm-blooded (homoiothermic) and keep their body temperature steady whatever the surroundings.