1. shipworms

2. Phylum Mollusca; Class Bivalvia (Pelecypoda)

3. their valves

4. they are used for boring into wood

 1. Identify the organisms shown (common name)

 2. To what Phylum & Class do these organisms belong?

3. What are the structures pointed to by the red arrows?

4. What are these structures used for?

 Answers