Overview of Animal Kingdom

36. The group of animals known as reptiles includes ___________.

a) Frogs and toads

b) Turtles and tortoises

c) Sharks and rays

d) Birds

37. How do insects breathe?

a) Through gills

b) Through lungs

c) Through a system of tubes called tracheae

d) Through their skin

38. The process of converting food into usable energy in cells is called ___________.

a) Reproduction

b) Metabolism

c) Circulation

d) Excretion

39. Which of the following animal groups exhibits a complete digestive system with a separate mouth and anus?

a) Cnidaria

b) Porifera

c) Platyhelminthes

d) Nematoda

40. The process of removing waste products from the body is known as ___________.

a) Respiration

b) Excretion

c) Regulation

d) Assimilation