Which group of characters of whale justify its inclusion in the class mammalia ?

Vertebral column, lungs and

4 -

chambered heart

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Gills, fins and viviparity

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Lungs,

4 -

chambered heart & kidneys

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Hair skin, mammary glands and viviparity

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Solution

The correct option is D Hair skin, mammary glands and viviparity
Solution- c

Whale possess all mammalian characters like muscular diaphragm between the thorax and abdomen, viviparity (giving birth to young ones), mammary gland, and hair on skin. Thus, whale belongs to the class Mammalia.
So, whales justify its inclusion in the class mammalia.

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Similar questions

A whale belongs to the group Mammalia.

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