Glencoe Biology

Section 3: Mollusks

Self-Check Quizzes

1
The ____ is a membrane that secretes calcium carbonate to form a mollusk shell.
A)mantle
B)nephridium
C)radula
D)gill
2
Respiratory structures consisting of filamentous projections are called ____.
A)bivalves
B)nephridia
C)gills
D)radula
3
What structure here is used for feeding?

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A)siphon
B)bivalve
C)mantle
D)radula
4
Which of the following are features of the nervous systems of some mollusks?
A)eyes and brain
B)auricles and eyespots
C)incurrent and excurrent siphons
D)coelom and heart
5
How can bivalves survive in the ocean despite their slow inactivity?
A)by utilizing a radula
B)by filter feeding
C)by utilizing siphons
D)by becoming parasitic
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