1. The Ice Age
The Ice Age Twenty thousand years ago during the time of the last ice age period, many colossal mammals roamed North America. ... The domino-effect of all these factors is responsible for the extinction of the ice age mammals. ... That is why many of the mammals that lived during the ice age were enormous. ... Therefore, this drastic change of humans living on their land and feeding on there own kind was a big change. ... The drastic change of plant life as the climate had greatly changed, affected the eating habits of many of the plant eaters. ...
- Word Count: 1766
- Approx Pages: 7
- Grade Level: High School