The ____________________ Fish Are Represented Today by Sharks, Rays, and Skates

Q24: Which of the following was critical for

Q25: Echinoderms and chordates are thought to be

Q26: Plants became extinct at twice the rate

Q27: The development of seeds allowed plants to

Q28: The _ are a group of amphibians

Q30: The evolution of jaws played an important

Q31: Vertebrates first appeared in the _.<br>A) Cambrian<br>B)

Q32: Amphibians probably evolved from the _, an

Q33: The first vertebrates evolved on the land.

Q34: The evolution of the _ egg made