Platypuses are easy to classify. They are mammals. Platypuses are mammals because, like all mammals, they feed their young on mothers' milk. The defining trait of a mammal is to have mammary glands, to produce milk for its young. The platypus produces its milk from numerous glands over its underside, unlike other mammals which have teats.
There are other reasons why platypuses are classified as mammals, such as having skin, hair or fur, being warm blooded and breathing via lungs (not gills).
It just happens that platypuses, like echidnas, are egg-laying mammals, or monotremes. But they are still mammals.
No. Platypuses are wild animals with specialised needs. Very few zoos are equipped to cater properly to their needs, so that is why there are very few in overseas zoos.
No. America does not have platypuses. Platypuses are endemic to eastern Australia.
Rocks with large, easily identifiable minerals, such as granite and diorite, are easy to classify. These rocks belong to the intrusive igneous rock category and typically have distinct mineral compositions that allow for easy identification.
Platypuses is the correct spelling.
it is a key to determine and classify the different groups of species for easy classification.
Given that platypuses are very shy and elusive, it is easy to avoid injury. Simply do not seek to interfere with them.
Platypuses were not invented. They were discovered by someone.
Platypuses are found only in Australia.
Are PLATYPUSES born alive?
Platypuses are considered carnivores.
Platypuses are nocturnal. They come out at night.
Platypuses have dense fur.