Fishes WOULD NOT regulate their buoyancy by which of the following ways?
A: regulation of gasses in the swim bladder
B: retention of oils in the liver
C: possession of relatively light bones
D: possession of relatively dense bones
E: structure and orientation of the fins
A: regulation of gasses in the swim bladder
B: retention of oils in the liver
C: possession of relatively light bones
D: possession of relatively dense bones
E: structure and orientation of the fins
举一反三
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