Discuss the unique characteristics of Australia

oh my god!!!!!!!!!!!!!!!!!!!!!
楼主我决定帮你这个忙了！！！！！
你知道有多少巧？！我住在悉尼哦，我们上次的地理考试题目就是[the unique characteristics of Australia]我得了9/10。所以还不错啦，我现在打出来哦，你看看~~~
我就把一些[here]改成[there]，[we]改成[they]了~~~~~`别告诉我你也住在澳洲哦~！

Australia has many characteristics that made it unique. For example, it’s flora and fauna, it’s nature resources, it’s landform, it’s river systems and it’s human characteristics.
The reason why there are many physical features is because the continent was isolated from others millions of years ago.
Australia has unique plants and animals. 80% of plants there cannot be seen anywhere else around the world naturally. They’ve got wet and dry sclerophyll forests, bush lands, rainforests and so on. There are special types of animals here like the marsupials and monotremes. It’s because their predators and competitors do not exist there. Other animals like reptiles, amphibians, birds are very different there too. They all developed features that suits the