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6. How do gastropods move?

  • They didn't
  • Using a foot
  • They were planktonic
  • Using spines

7. What type of bivalve is bysally attached to the substrate?

  • Solen
  • Pecten
  • Mytilus
  • Ostrea

8. What phylum do trilobites belong in?

  • Arthropoda
  • Mollusca
  • Cnidaria
  • Chordata

9. What is the purpose of the interambulacrum, on a regular echinoid?

  • The location of the tubercles, for spines
  • For respiration
  • For feeding
  • For directing waste away from the mouth

10. What phylum doe Graptolites belong in?

  • Hemichordata
  • Chordata
  • Echinodermata
  • Mollusca

11. What is the characteristics of a Sauropod?

  • Long, sharp teeth
  • Long, S-shaped neck
  • Bird-like hip
  • Clawed toes

12. What is pentacrinites a type of?

  • Crinoid
  • Trilobite
  • Gastropod
  • Dinosaur

13. What is the purpose of a lophophore, on a brachiopod?

  • Used to open the valves
  • Used to filter feed
  • Used for respiration
  • Used to attach to rocks