Overview of Animal Kingdom

26. Which of the following groups of animals includes only warm-blooded animals?

a) Reptiles

b) Birds

c) Fish

d) Amphibians

27. The largest animal on Earth is the ___________.

a) Blue whale

b) Elephant

c) Giraffe

d) Polar bear

28. How do birds reproduce?

a) By laying eggs

b) By giving live birth

c) By budding

d) By forming a cocoon

29. The class Mammalia is characterized by which of the following features?

a) Presence of feathers

b) Presence of hair or fur

c) Presence of scales

d) Presence of a notochord

30. Which of the following is an example of a marsupial?

a) Kangaroo

b) Lion

c) Tiger

d) Bear