Most active swimming fish use vertical fins ________.
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
Question 2
Judge the following sentence according to the criteria given below: Plankters are unable to swim BECAUSE they primarily move through the ocean by drifting.
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
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Fatty fish, such as salmon, are an excellent source of omega-3 fatty acids
European swimming competition
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Structure and function of the gills of a bony fish.