During the Middle Ages-
What role(s) does Plate Tectonics play in organic evolution?
Find and print out a clear diagram of what the Earth looked like (specifically North America) during your geologic time period.
Were there any specific geologic events that occurred during your geologic time period (volcanic eruption, tidal wave, meteor impact, earthquake, etc)?
List and explain one major biological event that occurred during your geologic time period?
What was the climate like in the area that is now the United States (North America) during your geologic time period?