Australia is one of Earth's twelve mega diverse nations. Its unique plant life, is typified by the uniquely Australian gum tree, distinguishes Australia as one of the world's six floristic regions. Not only is Australia rich in species, but most of its native plants and animals are endemic; that is, they occur naturally only in Australia. Australia's high levels of uniqueness arise because for more than 50 million years, Australia has been an island continent and its fauna and flora has evolved in isolation. …
