Biology Practice Problems Chordates Practice Problems Solution: The major factor responsible for sharks and bony f...

Solution: The major factor responsible for sharks and bony fishes replacing pioneer vertebrates wasa. better jawsb. better respirationc. stronger bonesd. better swimminge. better teeth

Problem

The major factor responsible for sharks and bony fishes replacing pioneer vertebrates was

a. better jaws

b. better respiration

c. stronger bones

d. better swimming

e. better teeth