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What are Egg laying mammals classified as?
Egg laying mammals are classified as monotremes. They belong to the order monotremata.
Why are monotremes classified as mammals if they lay eggs?
Monotremes are still classified as mammals because the young suckle on mother's milk. No other animal among the vertebrates does this - only mammals. They are also warm blooded and breathe through lungs, like mammals.
Are otters Monotremes?
No, otters are not monotremes. Monotremes are a group of egg-laying mammals that include the platypus and echidnas. Otters are classified as carnivorous mammals in the family Mustelidae, which also includes weasels, badgers, and martens.
Are birds the only mammals that lay eggs?
Birds are not mammals. They are in their own category, which is "Birds". The only two egg-laying mammals are the platypus and the echidna, which are classified as monotremes.
Are mammals monotremes or marsupials?
Monotremes and marsupials are both types of mammals along with placental mammals
Why are some mammals that lay eggs classified as mammals?
Monotremes lay eggs, as do reptiles. Monotremes' limbs go outward (rather than downward) from their main body, which is also true for reptiles. Monotremes lack a corpus callosum (which placental mammals have), as do reptiles. Monotremes and reptiles both have cloacas, while placental mammals have separate openings for urination and defecation. This evidence all shows monotremes to be a link between reptiles and mammals, but we now think that monotremes just evolved from an earlier branching from the mammalian tree of lineage than the marsupials and placental mammals evolved from. Monotremes are not a link between reptiles and mammals.
What are the only two marsupials that lay eggs?
Marsupials do not lay eggs. Only monotremes lay eggs.The platypus and the echidna are both egg-laying mammals, or monotremes. They are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals alone.
What are the three main groups of mammals?
Monotremes, marsupials, and placental mammals.
Why are the platypus and echidna special animals?
The platypus and the echidna are the world's only two known egg-laying mammals. They are classified as monotremes.
Name one mammal which lays eggs?
Egg laying mammals are the mammals classified as monotremes. These include the Platypus and various species of Echidna.
Are birds monotremes?
No, birds are strictly avians. Mammals that lay eggs are considered monotremes.
Do all early mammals lay eggs?
There is no such thing as an "early mammal". Monotremes lay eggs, but there is a misconception that monotremes are the most primitive of mammals. Science has recently proven that monotremes are not primitive mammals at all.
