Chapter 24

List the characteristics that, taken together, distinguish animals from other kinds of organisms.

Briefly describe each of the following adaptations, and explain its adaptive significance: bilateral symmetry, radial symmetry, cephalization, closed circulatory system, coelom, segmentation.

Describe the advantages and disadvantages of the arthropod exoskeleton.

What features of cnidarians make them strong predators?

Discuss the features that differentiate myriapods from roundworms.