WONDER #1506: What Makes an Animal a Mammal?

Question 1 of 3

Human beings and blue whales have something in common in that they are both what?

  1. insects
  2. fish
  3. mammals
  4. sea creatures

Question 2 of 3

Which of the following is NOT a characteristic shared by all mammals?

  1. hair
  2. mammary glands
  3. warm blood
  4. wings

Question 3 of 3

Which of the following mammals lays eggs instead of giving birth to live young?

  1. cow
  2. sheep
  3. human being
  4. platypus

Check your answers online at https://wonderopolis.org/wonder/what-makes-an-animal-a-mammal.