History of Life Review Questions

1. During which geologic era did Pangaea form? During what era did it break up? [answer]

2. How old are the oldest prokaryotic cells? [answer]

3. Discuss the sequence of evolution in the vertebrates. [answer]

4. During which era (Precambrian, Paleozoic, Mesozoic, Cenozoic) did each of the following occur? [click on the word to go to the answer]

first birds

dinosaurs dominated

first mammals

gymnosperms dominated

angiosperms dominated

first amphibians