Biology: The Dynamics of Life, California 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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