Vertebrates First Appeared in the ____

Q26: Plants became extinct at twice the rate

Q27: The development of seeds allowed plants to

Q28: The _ are a group of amphibians

Q29: The _ fish are represented today by

Q30: The evolution of jaws played an important

Q32: Amphibians probably evolved from the _, an

Q33: The first vertebrates evolved on the land.

Q34: The evolution of the _ egg made

Q35: The _ plants have a tissue system

Q36: Amphibians likely evolved from the lobe-finned crossopterygians.