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6. What is the Commisure?
- Where the brachial and pedicle valves meet
- The line of attachment of the adductor muscle
- The lines representing new growth
7. What is the Umbo?
- The area marking the point of last growth
- Area marking the point of first growth
- Lines representing new growth
8. What is the Pedicle Foramen?
- Opening though which the pedicle emerges
- Attachment point of the pedicle
- One side of the shell
9. How does the Brachiopod open its valves?
- By contracting the diductor muscle
- By releasing the adductor muscle
- By releasing the diductor muscle
- By expanding the adductor muscle
10. When did Brachipods first evolve?
- Triassic
- Cambrian
- Devonian
- Ordovician
11. What are their shells made of?
- Calcium Carbonate
- Chitin
- Carbon
12. How does the Brachipod close its valves?
- By contracting the adductor muscle
- By releasing the adductor muscle
- By contracting the diductor muscle
- By releasing the diductor muscle
13. What are Cilia?
- Fleshy stalks used to increased stability when feeding
- Small projections from the surface of some cells with the ability to waft
- Small arms used to direct water towards the mouth for filter feeding
14. How to Brachiopods feed?
- Using the brachidium
- Using the lophophore
- Using a pedicle