Life Science: Animal Diversity, Book C

Section 1: Mollusks

Self-Check Quiz-Eng.

1.
Which one of the following is a thin layer of tissue in mollusks that often secretes a shell?
A)radula
B)gizzard
C)mantle
D)exoskeleton
2.
Which group of mollusks often has eyes on the tips of tentacles and uses a radula to obtain food?
A)bivalves
B)cephalopods
C)gastropods
D)arachnids
3.
A(n) __________ is an example of an organism from the most specialized and complex mollusk group.
A)squid
B)slug
C)oyster
D)clam
4.
What special feature does a cephalopd use to move quickly?
A)a muscular foot
B)rapid movement of its shell
C)creeping on tentacles
D)a jet of water
5.
Because bivalves are __________, bacteria and other harmful organisms often become trapped in clams and oysters.
A)filter feeders
B)head-footed
C)parasites
D)soft bodied
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