EVERYDAY SCIENCE

Detailed explanation-1: -monotreme, (order Monotremata), any member of the egg-laying mammalian order Monotremata, which includes the amphibious platypus (family Ornithorhynchidae) and the terrestrial echidnas (family Tachyglossidae) of continental Australia, the Australian island state of Tasmania, and the island of New Guinea.

Detailed explanation-2: -Monotremes are a unique order of mammals that includes only three extant species: the duck-billed platypus (Ornithorynchus anitinus), the short-billed echidna (Tachyglossus aculeatus), and the western long-billed echidna (Zaglossus bruijni).

Detailed explanation-3: -The platypus Along with echidnas, platypus are grouped in a separate order of mammals known as monotremes, which are distinguished from all other mammals because they lay eggs. The platypus and echidna have both survived by occupying ecological niches.

Detailed explanation-4: -The platypus is a remarkable mammal found only in Australia. The platypus is a duck-billed, beaver-tailed, otter-footed, egg-laying aquatic creature native to Australia.