Extinction of Australian Megafauna

Throughout sequence Australia has withstood the many climatic and geological changes that befool stirred its flora and native fauna. Australia has been isolated from other continents for 45 jillion years. This isolation resulted in many unique plants and animals evolving. Over this cartridge holder Australia has changed from a green, forested land to one of the most change-out ve write downated landmasses on Earth. This change of climate is reflected in the fogey record. Fossil plants doom that at the time Australia separated from Antarctica, overmuch of the land was cover with broad-leaved forests, even Central Australia. same forests argon entrap today in wet equatorial roles of northeastern Australia and Papua revolutionary Guinea. As Australia moved northward at 6 to 7 centimetres per year, put up conditions changed and the climate arid out. The centre of Australia became drier and plants living thither either became dead or had to adapt to the drier conditi ons. The ve realizeation in this region changed from forests to woodlands to scrublands and eventually to grasslands. Eucalypts evolved in Eastern Gondwana at least 60 million years ago, before Australia became isolated. As the climate dried out Eucalypts became the dominant type of corner in Australia. Mammals stick lived in Australia for many millions of years.

Australias most typical mammals are marsupials, which function their young in pouches, and monotremes (the platypus and echidna), which are the only mammals that unload eggs. Placental mammals, for example rats, bats and humans, migrated here much later . Marsupials straightaway marsupials are fo! und mainly in Australia, Papua in the warm Guinea and South America and monotremes only live in Australia and Papua New Guinea. It is not known where marsupials originally evolved as their fogy record is quite poor. Some scientists think they originated in northwards America and reached Australia later via South America and Antarctica. Even... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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