Is platypus a mammal or oviparous?

Mammal. The platypus is one of the most primitive mammals, it is an incomplete mammal, there are very few species, and there is only one animal in the same genus, the platypus, and it is also one of the lowest mammals.

The platypus is a mammal, but it is not fully evolved and has a lifespan of 10-15 years. The platypus is oviparous, but the mother can lactate and feed, and is classified as an oviparous mammal by scientists.

The platypus is a mammal and an oviparous animal, and during the breeding season the platypus lays its eggs in mud burrows to hatch, and is later fed milk by its mother.

It is an oviparous mammal, which has not fully evolved into a mammal, but this animal feeds its offspring through milk.

The platypus is an oviparous mammal and the most primitive mammal.

The platypus is a mammal, the platypus is not fully evolved, and there are very few platypus surviving in the world at present, and it has become a protected animal.

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The most primitive of mammals are species of the subclass Protozoa, including echidna and platypus.

In 1798, after the British Governor General of New South Wales sent the fur specimens and sketches of the platypus to the British Museum, Europe and the entire scientific community only knew about the existence of this animal, and no one believed it at all, thinking that the Governor of New South Wales deliberately did something to put together the skins of several animals and sent them to the British Museum.

However, the staff searched for a long time but did not find the seam, coupled with the follow-up observation records, the academic community slowly accepted that there was really such a strange animal.

Platypus may be valuable for medicine:

According to scientists at Deakin University in Australia, platypus' milk contains a unique antimicrobial protein that may produce new, antibiotic-fighting antibiotics.

Their venom may help fight type 2 diabetes. In 2016, scientists at Flinders University and the University of Adelaide discovered that the venom of male platypus contains a long-acting hormone that boosts insulin release.

Robert Dockerill, a senior keeper at Taronga Zoo, calls the platypus "The Doctor." He likes to joke that platypus and echidna are the only animals that can make custard sauce because they can produce both eggs and milk.

Yes and no. Most people think it is, because he just doesn't have milk while other characteristics are the same. A small number of people think no, because he just looks like a duck, not a duck. And the scientist gave a surprising answer, yes.

Because of the mammalian characteristics of this creature, they secrete milk to their young, so they are biologically classified as such.

Because although it is egg-born, the platypus depends on its mother's breast milk to survive, which is in line with the characteristics of mammals.