Question
Which one of the following group of animals is homeothermic?
Reptiles
Amphibians
Birds
Fishes
Solution
C.
Birds
Birds, humans and other mammals can maintain their body temperature irrespective of external temperature variation, i.e. they are warm blooded (homeothermic) animals. While, all reptiles, insects, amphibians and fishes are cold-blooded (poikilothermic) animals. These animals cannot control their body temperature, i.e. their body temperature varies considerably.
