Multiple choice

The mammal which does not have teeth through out the life is _______.

  1. whale

  2. flying squirrels

  3. orycteropus

  4. tachyglossus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tachyglossus (the echidna or spiny anteater) is a monotreme that lacks teeth entirely in adults. They use their long tongue to capture ants and termites. Orycteropus (aardvark) does have teeth. Whales have teeth (or baleen). Flying squirrels have typical mammalian dentition.

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