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The Bony Fishes (Osteichthyes) Are Divided into Two Subclasses, Actinopterygii

Question 11

Multiple Choice

The bony fishes (Osteichthyes) are divided into two subclasses, Actinopterygii and Sarcopterygii, on the basis of


A) the chemical composition of the skeleton.
B) the structure of the jaw.
C) the structure and function of their fins.
D) the presence of a swim bladder.
E) their mode of reproduction.

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