Biology

The correct answer is: B. Ray-finned fish.

1. Analyze the cladogram:

A cladogram is a diagram that shows the evolutionary relationships among organisms. Organisms that share a more recent common - ancestor are more closely related.

Sharks and ray - finned fish share a common ancestor at the “Vertebrate” branch point.

Amphibians share a common ancestor with sharks at a point further back in the evolutionary tree after the “Bony skeleton” trait has diver...