The only reptile-like characteristic which platypuses have is the fact that they reproduce by laying soft-shelled, leathery eggs (and not all reptiles lay eggs, either). Apart from that, these creatures fit all the characteristics of mammals.
birds have only two legs.
The two definitive characteristics that make the platypus a mammal are: 1. It nurtures its young on mothers' milk. 2. It has fur. No other group of animals both these characteristics.
A platypus is a mammal and it has a duck-like bill and duck-like webbed feet.
They give birth to live babies, but the platypus lays eggs.
They give birth to live babies, but the platypus lays eggs.
They give birth to live babies, but the platypus lays eggs.
They give birth to live babies, but the platypus lays eggs.
Male platypuses can produce venom.
A platypus has two eyes.
No. The platypus has always been a platypus. It is not derived from the beaver, otter, duck or any other animal. There is no actual evidence of evolution in the platypus's line. Fossils of possible platypus ancestors indicate that, if it did indeed have other ancestors, they shared the same characteristics the modern platypus has today.
Platypuses did not evolve. The platypus has always been a platypus. It is not derived from the beaver, otter, duck or any other animal. There is no actual evidence of evolution in the platypus's line. Fossils of possible platypus ancestors indicate that, if it did indeed have other ancestors, they shared the same characteristics the modern platypus has today.
The platypus has two lungs, like all mammals do.