Name ____________________________________ Date ______________ Period ______AP Biology Chapter 28 Guided Reading

1. What characteristics do all animals have in common?

2. What is the difference between a vertebrate and an invertebrate? Give an example of each.

3. Use the illustration below to summarize the colonial flagellate hypothesis.

4. Define the following terms and give an example of an animal that exemplifies that term.a. Asymmetry

b. Radial symmetry

c. Bilateral symmetry

d. Cephalization

5. What are germ layers? What are the three types of germ layers?

6. What is the difference between a protostome and a deuterostome? Give an example of each.

7. What is the coelom?