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Phylum Molluska -cla
Phylum Molluska classes cfhs
| Question | Answer |
|---|---|
| Class Gastropoda | has snails, slugs, sea hares, limpets, and nudibranchs |
| Class Gastropoda | no shell or single shell(univalves) |
| Class Gastropoda | RADULA-flexible tongue like structure with teeth |
| Class Gastropoda | most sexual, external reproduction, some internal |
| Class Bivalvia (Pelecypoda) | clams, oysters, mussels,and scallops |
| Class Bivalvia (Pelecypoda) | two shells (bivalves) |
| Class Bivalvia (Pelecypoda) | burrowing "hatchet" feet |
| Class Bivalvia (Pelecypoda) | filter feeders (use incurrent and excurrent siphons which are tube-like) Concentrates pollutants and microorganisms in body |
| Class Bivalvia (Pelecypoda) | sexual external reproduction |
| Class Bivalvia (Pelecypoda) shell layers | Horny - outside, Prismatic-middle, Pearly - inner |
| Class Cephalopoda | octopi, squid, cuttlefish, nautilus |
| Class Cephalopoda | head attached to foot divided into tentacles or arms (Octopus-8, Nautilus-90) |
| Class Cephalopoda | small internal shell or no shell(Only external shell is the nautilus) |
| Class Cephalopoda | have complex sense organs to detect and respond to stimuli(eye) |
| Class Cephalopoda | sexual, internal reproduction |
| Class Cephalopoda | most active of the mollusks |
| extra about ways to eat | CERVICHE-raw seafood in lime juiceCALAMARI - fried squidESCARGOT- snails cooked in butter |