Overview of Animal Kingdom

31. The muscular pumping organ that circulates blood in vertebrates is the ___________.

a) Liver

b) Heart

c) Kidney

d) Lungs

32. The process through which an animal produces offspring similar to itself is called ___________.

a) Reproduction

b) Metabolism

c) Respiration

d) Digestion

33. Which of the following animal groups exhibits a radial symmetry?

a) Jellyfish

b) Spiders

c) Lobsters

d) Snails

34. The process of breaking down food into simpler substances for absorption is called ___________.

a) Respiration

b) Circulation

c) Digestion

d) Excretion

35. Which of the following is not a phylum of the animal kingdom?

a) Echinodermata

b) Arachnida

c) Cnidaria

d) Annelida