Yes.
1. Habitat clearing causes some problems for the platypus.
2. Platypuses have been known to caught in fishnets in freshwater creeks, rivers and ponds.
3. Before the platypus was protected by law, platypus pelts were a highly valued commodity.
Platypuses are not ugly.
Yes - platypuses are protected, and heavy penalties apply if people flout the laws.
Platypuses have just four feet. They do not have flippers.
Pollution will effect every living creature on the planet so, yeah.
No. The Australian Aborigines may have hunted platypuses when they pursued their traditional lifestyle, but no-one else eats platypuses.
Platypuses are shy animals which avoid contact with humans as much as possible. When humans approach, they will either disappear into their burrows, or hide underwater. When motionless and avoiding people, platypuses can remain underwater without resurfacing for up to eight minutes.
It is not known how many platypuses are killed each year, but it is not as many as there used to be. Platypuses are no longer hunted for their pelts, and fewer of them are drowned in fishing nets as laws have come into effect to help protect them more. Floodwaters kill platypuses - they are mammals, and must breathe air, and young or weak platypuses can quickly drown in fast-moving floodwaters.
No. America does not have platypuses. Platypuses are endemic to eastern Australia.
None. People are placental mammals; platypuses are monotremes.
Platypuses is the correct spelling.
Australians most certainly do not eat platypuses. Long ago, the indigenous people of Australia hunted platypuses when they still lived their traditional lifestyle. In modern times, while some tribes live semi traditional lifestyles, they do not eat platypuses.
Platypuses were not invented. They were discovered by someone.