1. Mass Extinction At The End Of The Last Ice Age
... of island species; humans first arrived in North America around 11,000 years ago; humans hunted a wide range of megafauna; the extinction of many species of North American megafauna coincided with the arrival of humans; and therefore, human hunting caused those extinctions. Grayson, a specialist in vertebrate paleontology, disputes several of ... negative impacts on the environment." (Mayell, Hillary. "Climate Change Caused Extinction of Big Ice Age Mammals, Scientist Says"). Proponents of the "Chill" theory hold that the climate change may have been more abrupt ... the extinctions are re...
- Word Count: 655
- Approx Pages: 3
- Has Bibliography
- Grade Level: Undergraduate