Answer:
A whale is a mammal because it has various characteristics of a mammal. These are:
- They are warm-blooded. Fishes are cold blooded.
- They give live births Most fishes lay eggs.
- They feed their young milk from mammary glands. Fishes do not feed their young one's with milk and neither do they have mammary glands.
- They breathe air into lungs and need oxygen to survive. Fishes breathe through their gills.
- They have hair, although very little. Fishes don't have hair, they have scales.
Category : Mammals
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