in which class whales and walruses included??
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The correct answer is class mammalia and the subclass Cetacea.
Explanation:
- Whales and walruses are the aquatic mammals that are marine in nature.
- They have all the aquatic characteristics but they are vertebrates and they have lungs to respire, as well as they feed their young ones with their milk.
- They also perform sexual reproduction just like mammals.
- They belong to the subclass Cetacea with dolphins. So they are in class mammalia.
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