Name: TOC#

Invertebrate Evolution and Body Plan Reading

Read the following pages and answer the questions below. Use your own words and DO NOT just copy the paragraph.

1. Draw the cladogram showing the evolution of invertebrates in relation to body plans.

2. Summarize the importance of specialized cells, tissue, and organs in the evolution of body plans.

3. What is body symmetry, and why is it important of the evolution of invertebrates?

4. What is cephalization, why would this characteristic be a beneficial adaptation?

5. What is segmentation and what are two reasons it is important in the evolution of body plans?

6. What are the three possible body types related to a coelom?

7. What are the two types of embryonic development in relation to body plans?