Multiple choice

Which of the following groups of mammals is considered to be toothless?

  1. Echidna, armadillos and platypus

  2. Whales, marsupials, anteaters and platypus

  3. Bat, whales, marsupials and echidna

  4. Echidna, whales, bat and platypus

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  Echidna, armadillos and platypus are considered to be toothless mammals.