Because shells require it,land snails are limited to soils that contain some level of
A) aluminum.
B) silica.
C) calcium.
D) sodium.
E) carbon.
Correct Answer:
Verified
Q5: The Monoplacophora
A)lack a shell.
B)live in fresh water.
C)lack
Q6: The Scaphopoda
A)lack a shell.
B)lack a mantle.
C)live in
Q7: The radula
A)not only rasps off fine food
Q8: Which correctly describes the evolutionary origin and
Q9: In some molluscs,the free-swimming larva is a
Q11: Where would you locate the coelomic cavity
Q12: Some prosobranchs have only one _ in
Q13: The genus _ contains some members that
Q14: Early gastropods had a coiled shell that
Q15: The nudibranchs belong to the
A)scaphopoda.
B)pelecypoda.
C)prosobranchia.
D)opisthobranchia.
E)pulmonata.
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