Swim bladders ________.
A) contain gills
B) are required for fish to exchange gases with surrounding water
C) are present in both bony and cartilaginous fishes
D) help bony fish to maintain buoyancy
Correct Answer:
Verified
Q30: Which group of fishes includes a lineage
Q31: A feature that freed reptiles from dependence
Q32: A feature unique to mammals includes _.
A)the
Q33: A characteristic that is shared by snakes
Q34: While on an archaeology expedition, you unearth
Q36: What does the term "tetrapod" mean?
A)egg-laying
B)living on
Q37: At a natural history museum, you see
Q38: Rays are a type of _.
A)tunicate
B)cartilaginous fish
C)jawless
Q39: Among vertebrates, the unique feature of lampreys
Q40: Where did humans first appear?
A)South America
B)Africa
C)Asia
D)Europe
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