Geology 105 - Paleontology
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Reading Guide: Chapter 12

Know these terms:

 lophophore  beak
 pedicle  fold
 articulate (Rhynchonelliformea)  sulcus
 inarticulate (Linguliformea & Craniiformea)  zooid

Be able to answer these questions:

1. Fill out separate Critter Charts for brachiopods and bryozoans.

2. How are the shells of brachiopods and clams different?

3. How do brachiopods attach themselves to the sea floor?

4. Describe the typical mode of life of articulate brachiopods. Where did they live? What environments did they prefer?

5. Describe the typical mode of life of inarticulate brachiopods. Where did they live? What environments did they prefer?

6. How do we explain the common phenomenon in brachiopods of very similar external morphologies in groups with very different internal structures?

7. How are brachiopods and bryozoans similar? How are they different?

8. How could you tell a bryozoan from a coral?

9. How does the energy of the environment affect how bryozoans grow?

10. How has the ecological importance of bryozoans changed through geologic time?