Multiple Choice
What advantage did the evolution of a swim bladder provide to aquatic gnathostomes?
A) It allowed them to increase food intake and grow larger.
B) It provided a mechanism for viviparity.
C) It allowed them to suspend themselves at a fixed depth in the water column.
D) It served as a propulsion mechanism for escaping predators.
E) It provided support for movement onto land.
Correct Answer:
Verified
Correct Answer:
Verified
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