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1.) Bony fish (Class Osteichthyes) This group includes the vast majority of fres

ID: 174883 • Letter: 1

Question

1.)

Bony fish (Class Osteichthyes)

This group includes the vast majority of freshwater and marine fish. These fish retain a bony skeleton, and an internal organ called a swim bladder used to maintain buoyancy.

What other adaptations are seen in the bony fishes?

What are the major clades within the bony fishes and what are the differences between them?

What characteristics of the Sarcopterygiians lead to the hypothesis that they are the ancestors of the Tetrapods? How might that transition have taken place?

Explanation / Answer

The other adaptations are: