Multiple Choice
Which correctly describes the evolutionary origin and adaptive radiation of molluscs?
A) Molluscs originated in freshwater and invaded both terrestrial and marine environments
B) Molluscs originated on land,all classes then invaded both freshwater and marine environments
C) Molluscs originated on land,all classes then invaded freshwater and the bivalves and gastropods invaded marine environments
D) Molluscs originated in the sea,both bivalves and gastropods invaded marine environments and the land
E) Molluscs originated in the sea,bivalves and gastropods invaded brackish and freshwater environments,and just gastropods invaded the land
Correct Answer:

Verified
Correct Answer:
Verified
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