Why Are There No Big Animals In Australia
Some of our Australian animals are very well known like kangaroos dingos wallabies and wombats and of course the koala platypus and echidna.
Why are there no big animals in australia. In Australia there are 8128 accepted described species known as chordate which include vertebrates as well as 98703 invertebrates 24716 plants 11846 fungi and around 4186 in other groups. This is because what became Australia split off and became isolated from the rest of the world about 55 million years ago. There are not more dangerous animals in Australia then elsewhere.
The distribution of climates topography and soils that has produced the zones and ecological variation of Australian vegetation has also been reflected in the distribution of animal life. Animals could make their way from the Malay Archipelago. Answered 2 years ago Author has 41K answers and 45M answer views.
Learning about Australias extinct fauna helps us to create links through time that relate the animals of the past with those of today and to develop conservation strategies. So an exceptionally large proportion of australias plants and animals are endemic meaning they naturally exist nowhere else in the world. This species doesnt have particularly potent venom but the allergic reaction suffered by 1-2 per cent of the population coupled with the high incidence of bee stings make them second to snakes as the most deadly venomous animal in Australia.
Many of the plants like the animals. Endemism in Australian mammals. Placentals Australia has NO native placental carnivores ie.
Australia probably has between 200000 and 300000 species about 100000 of which have been described. But there is still so much we dont know about Australias native animals. The earliest cat fossils date back only 10 - 15 million years so.
Even though Australia and Asia are relatively close today they havent been connected since the supercontinent Pangaea broke up all that time ago. However thats not even the worst part. It is because Australia is an island.