bet we en 40,000 and 50,000 yeas ago (www.wikipedia.com/wiki/Australia). One point on which there is no disagreement is that the first settlers most likely arrived during the earth’s last glacial period when cooler temperatures and increased glaciation lent to oceanic recession. Because the lo we red sea level effectively “created great stretches of dry land almost linking Australia to Asia ”, it facilitated the migration of peoples to the Australian continent (Lamb, 112). Admittedly, there do
Approximately 250 million years ago, the earth underwent the most catastrophic extinction event in its entire history. The mass extinction occurred on the Permian-Triassic border on the geological timescale, and is appropriately nicknamed, “The Great Dying”. It has resulted in the most extinction occurrences, expressed in a %, than any of the other mass extinctions in geological time, as seen in FIGURE 1. The Permian Extinction created a huge setback for Earth’s fauna and its diversity. During the