Across
- 4. the scientific name for the eastern oyster, the native species NY harbor species that Billion Oyster Project is using to restore the New York Harbor Estuary.
- 5. the moving part of an oyster shell that opents and closes
- 7. these tiny hair-like structures on the gills draw water inward by means of wavelike motions. Two to three gallons may pass through the oyster in an hour. They also work to move material around the inside of the valves for consumption and ejection
- 8. a specialized method of expulsion that filter-feeding bivalve mollusks use in order to get rid of suspended particles such as grit which cannot be used as food, and are rejected by the animal.
- 11. muscles the main muscular system in bivalves that leave noticeable scars or marks on the interior of the oyster's valves
Down
- 1. waste excreted by the oyster an oyster after it has left the digestive system
- 2. each moving part of an oyster shell, for which in there are two (bi-) in oysters which bring in and expel water from their marine aquatic environment
- 3. excreted by the oyster’s digestive system
- 6. oysters have 4 layers of these, although unlike fish oysters don't use their gills for breathing but for eating.
- 9. the organ where food digestion takes place in an oyster
- 10. the lips of an oyster which bring in food to the mouth found just inside these two parts of the digestive system`
