Mollusca Flashcards
1
Q
Chitinous rasplike feeding device
A
Radula
2
Q
Mollusca class with 2 valved shell and a laterally compressed body
A
Bivalvia
3
Q
Protein disk that seals the shell aperture of a gastropod
A
Operculum
4
Q
Free swimming mollusk larva
A
Veliger
5
Q
Dominant feeding mode of bivalves (clams, scallops)
A
Filter
6
Q
Mollusca class commonly known as chitons
A
Polyplacophora
7
Q
Tube for drawing water in bivalves (clams, oysters, etc)
A
Siphon
8
Q
Encloses visceral mass where internal organs are located (mollusca)
A
Mantle
9
Q
Gastropods lacking shells (sea slugs)
A
Opisthobranchia
10
Q
Mollusca class with most species and diversity
A
Gastropoda
11
Q
Oldest part of bivalve shell
A
Umbo
