What are some examples of mammals that live wholly in water?

What are some examples of mammals that live wholly in water?
  1. Whales and dolphins
  2. Seals and sea cows
  3. Elephants and dogs
  4. Horses and hippopotamuses

Solution

Whales, dolphins, seals and sea cows are some examples of mammals that live wholly in water.

Asked in: NCERT

Practice more Evolution questions on Aicharya