Glencoe Biology

Section 1: Fishes

Self-Check Quizzes

1
What tough, flexible material is found in the skeletons of some fishes?
A)neural crest
B)notochord
C)vertebrae
D)cartilage
2
What feature allows fishes to maneuver in water?

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A)paired fins
B)scales
C)dorsal fins only
D)gills only
3
A ____ is a moveable flap that covers gills and protects them.
A)ventricle
B)cycloid
C)operculum
D)lamellae
4
Which statement best describes this evolutionary tree?

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A)Fishes don't have jaw structures.
B)Lungs are a more recent adaptation than jaws.
C)Cartilaginous and bony fish are unrelated.
D)Fish are not chordates.
5
External ferilization in fishes is called ____.
A)hatching
B)copulation
C)spawning
D)osmosis
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