Mollusks Question Preview (ID: 24132)


BIO 2 Review. TEACHERS: click here for quick copy question ID numbers.

All are parts of a mollusk's body plan EXCEPT
a) visceral mass
b) mantle
c) mesoglea
d) foot

All are classes of mollusks EXCEPT
a) bivalves
b) gastropods
c) cephalopods
d) enteropods

What type of circulatory system do most mollusks have?
a) open
b) closed
c) ajar
d) gaping

Water enters and leaves a bivalve through the
a) siphons
b) pores
c) mantle
d) mouth

The most active mollusks are the
a) bivalves
b) cephalopods
c) gastropods
d) sea slugs

The foot of the cephalopods has been modified into
a) the mantle
b) the funnel
c) the tentacles and arms
d) gills

What type of circulatory system do cephalopods have?
a) open
b) closed
c) ajar
d) gaping

Gastropods are
a) squids and octopuses
b) clams and oysters
c) mussels and scallops
d) snails and slugs

Gastropods undergo a twisting of their bodies during development called
a) turning
b) torsion
c) twist and shout
d) swiveling

Squid move by
a) walking on their tentacles
b) slithering along the sea bottom
c) sliding along a muscular foot
d) forcing water out of their funnels

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