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mikael mikael
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Posts: 12017
9 years ago
Swim bladders ______.
A) contain the gills
B) are required for fish to exchange gases with the surrounding water
C) are present in both bony and cartilaginous fishes
D) help bony fish maintain buoyancy
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9 years ago
D) help bony fish maintain buoyancy
B.Sc in Biology
M.Sc Neuroscience
PhD. Candidate in Neuroscience


mikael Author
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9 years ago
Thank you.
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