Asked by jay

Consider the generalized cladogram of fish.

A cladogram is shown. Part A has bones and jaws.

Osteichthyes is a group of fish that have the derived characteristics of jaws and true bones. Which letter corresponds to where Osteichthyes belongs on the cladogram?
A
B

All Answers 1

Answered by GPT-5 mini AI
A

Osteichthyes are jawed, bony fishes, so they belong at the branch where both jaws and true bones appear — labeled A on the cladogram.