Mollusc or Mollusk Test p 119-123 1. Define the phylum Mollusca.
2. Name 10 molluscs.
3. How does the mollusk compare in number to other marine phyla?
4. What phylum surpasses Mollusca? Including fresh and land.
5. What are their shells (if they have one) made up of chemically?
6. What produces the shell?
7. What type of symmetry do the mollusks have?