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Numerous features suggest that a platypus is not a fish.

  • A platypus has fur; no fish has fur.
  • A platypus uses a fully developed mammalian respiratory system to breathe, i.e. nose and lungs; fish receive oxygen via their gills.
  • A platypus can move around on land, out of water, and its young are incubated and hatched on dry land; fish must reproduce in water.
  • Platypuses are warm-blooded; fish are cold-blooded.
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14y ago
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13y ago

Other than the platypus's bill, which some may construe as bird-like in shape, all the features of a platypus suggest that it is not a bird. Even this bill serves a completely different function to that of any duck - the bill is fitted with electro-receptors, which is a feature no bird has. The platypus has a mammalian type of hip structure, it has fur rather than feathers, and it secretes milk to feed its young (although not in exactly the same way that most mammals do).

The only feature of the platypus that is remotely birdlike is the fact that it lays eggs. Even these are different to those of a bird. A bird's eggs are hard-shelled, while the platypus lays soft-shelled, leathery eggs.

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15y ago

They have fur, breathe through lungs, are warm-blooded, and they feed their young milk, though not through nipples, but through patches of skin that milk oozes out of.

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Q: What features suggest that the platypus is a mammal?
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What features of the platypus suggest that it is a bird?

No features suggest it is a bird. It is a mammal. The bill of a platypus serves a quite different function to that of any bird, as bird do not have electroreceptors in their bills. Platypuses do lay eggs, but even the eggs are quite different to those of a bird.


Is a platypus a part of incomplete metamorphosis?

No. The platypus does not undergo any form of metamorphosis; no mammal does. The platypus is a unique species, with distinct features, but none of these are examples of incomplete metamorphosis.


What type of mammal is a platypus?

A platypus is a monotreme, which is an egg-laying mammal.


Is a platypus a monotreme marsupial or placental mammal?

The platypus is a monotreme mammal.


How does it help a platypus being a mammal and reptile?

The platypus is not a reptile - it is an egg-laying mammal.


Is a platypus a bird or a fish?

The platypus is a mammal. Although it lays eggs in a burrow, and hunts for food in the water, it is a warm-blooded mammal that breathes using lungs, not gills. It also feeds its young on mothers' milk, something which no fish does.


Is a paladypus a mammal?

Yes, the platypus is a mammal.


Is a platypus a rodent?

No. A platypus is not a placental mammal of any type, but a monotreme, which is an egg-laying mammal.


Is a platiuse a mammal?

a platypus is a mammal even though it doesn't give live birth. I'm not sure why.


What is the subdivision of a platypus?

The platypus is a mammal. Specifically, it is a monotreme, which is an egg-laying mammal. It belongs to the family ornithorhynchidae.


What type of vertebrate group is the platypus in?

The platypus is in the mammal classification. It is a monotreme, or egg-laying mammal.


What is the mammal group of the platypus?

The mammal group to which the platypus belong is monotremata.There are only two animals in that group: the platypus and the echidna, and they are known as monotremes.