Biology: The Dynamics of Life, North Carolina Edition

Section 1: Fishes

Fishes

1
Which of these pairs of traits are characteristic of all vertebrates?
A)a notochord and a complex brain
B)an exoskeleton and an open circulatory system
C)an efficient respiratory system and an asymmetrical body plan
D)bilateral symmetry and a closed circulatory system
2
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What organism(s) would complete this table?
A)frogs and toads
B)seahorse
C)tuna
D)sharkes, skates, rays
3
How do bony fish fertilize their eggs?
A)externally
B)internally
C)through budding
D)through regeneration
4
Which of these is NOT a class of fishes?
A)Myxini
B)Osteichthyes
C)Cephalochordata
D)Chrondrichthyes
5
Sharks and rays belong to the class Chrondrichthyes, which includes __________.
A)cartilaginous fishes
B)hagfishes
C)jawless fishes
D)bony fishes
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