The platypus has its earliest ancestors over 70 million years ago at the time of the dinosaurs.
It is the Platypus.
There is only one species of platypus (Ornithorhynchus anatinus) so the kind you find in Eastern Australia and Tasmania is the same one you find everywhere else that it lives. (Of course Eastern Australia and Tasmania is about the only place you will find the platypus in the wild - and note that Tasmania is actually part of Australia.)
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Baby platypuses cannot be purchased. They are protected native Australian animals. Even if one were to purchase a platypus on the black market, it would undoubtedly die, because the needs of this animal are very specialised.
The platypus is called the platypus wherever one happens to be in Australia.
No. The platypus is a protected, native Australian animal. It is illegal to have a platypus as a pet anywhere in the world, including Australia itself. Also, one would not be able to provide the conditions it needs. It would die very quickly as platypuses are highly sensitive to ecological changes. Platypuses are native Australian animals, and therefore protected by law. They are not permitted to be kept as pets in Australia or any other country. There are very few zoos overseas permitted to keep platypuses, and only a limited number of facilities in Australia keep them for either display or research purposes.
There are no native underwater freshwater mammals in Australia. The platypus and native water-rat are both semi-aquatic, meaning they actually live on land, not underwater.There are, of course, many species of fish. In addition, there are some underwater marine mammals native to Australia (but not necessarily found exclusively in Australian waters), which include:dugongdolphins - various specieswhales - various species such as Southern Right whale, Humpback and MinkeThen there are the seals - various species such as the Australian Fur seal, Leopard seal, Weddells seal - and the Australian sea lion.
One of the reasons why platypuses are found only in Australia is likely to be because of the lack of predators in Australia. Introduced predators such as foxes and environmental changes brought by Man have caused more damage to the platypus population than the few native predators. With the exception of Antarctica, which remains largely uninhabitable, Australia was the last continent to be settled by Europeans, so the platypus has been able to thrive here.
No, they do not.The main reason being because the platypus is native to Australia. And there are no tigers native to Australia.However if tigers were native to Australia, it is likely they would hunt and eat platypuses if they were very hungry. To a tiger, the platypus wouldn't be very filling, so they would prefer larger prey, like a kangaroo.
Goats are not native to Australia, neither are camels, rabbits, pigs, sheep etc.
When Australia changed to decimal currency in 1966, the designer of he new coins was Stuart Devlin. Devlin chose native Australian animals to represent Australia's coins in a completely unique way. The platypus is certainly unique to Australia so it was an apt choice for one of the coins.