Why Are There So Many Unique Animals In Australia
Why is Australias landscape so unique.
Why are there so many unique animals in australia. Due to this isolation and the lack of predators Australias unique fauna developed. Climatic and geologic events helped australia to form its unique fauna. The lack of dissimilarities and the occurrence of unique animal or plant assemblages in various parts of the world not just Australia may be evidence for a rapid resettlement in relatively recent.
The platypus and two species of echidna are the worlds only egg-laying mammals so called monotremes. Sea levels were much lower than today. About 50 million years ago australia became an island.
The box jellyfish marbled cone snail blue-ringed octopus and stonefish are in the top ten most venomous animals of the world and all live in Australia. Australia has almost 400 mammal species and about 140 species of marsupials. Half of the birds that live in Australia can only be found there.
Charles Darwin already answered it when he visited the Galapagos islands. Others are dangerous because they have deadly venom like some kinds of snakes. The continent of Australia has vast expenses of desert and semi-arid land in its interior sub-tropical rain forest in the Northeast.
Australia is the kingdom of marsupials home to furry kangaroos koalas and wombats. As a result many of the animals in this place exhibit unique characteristics and survival techniques. Many of the plants like the animals.
This high level of endemism is a result of Australias long period of isolation from other continents since its separation from Gondwana about 40 million years ago. Interestingly Australia only has 66 venomous species whereas Mexico has 80 and Brazil has 79. There are lots of dangerous animals in the world.