Technology Chapter 13outlinept3

1.The Great Paleozoic Extinction The formation of Pangea resulted in a much dryer climate.By the end Permian 57% of the amphibian families declined and plants decreased in…

Documents Warm Up 1/17/08 What important event in animal evolution marks the beginning of the Cambrian? a......

Slide 1 Warm Up 1/17/08   What important event in animal evolution marks the beginning of the Cambrian? a. the ability to fly b. the ability to swim c. the appearance…