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Monotremes are egg-laying mammals. The echidna lays eggs in order to reproduce, and it is a mammal because it has fur and suckles its young on mothers' milk.
The name monotreme / Monotremata is derived from two Greek words meaning "one-holed", because they have just one external opening, the cloaca, for both waste elimination and for reproduction. The cloaca leads to the urinary, faecal and reproductive tracks, all of which join internally, and it is the orifice by which the female monotreme lays her eggs. Echidnas have this physiology.
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Are echidnas born or hatched?
Echidnas are hatched. They are monotremes, or egg-laying mammals.
Are dolphins monotremes?
No: dolphins are placental mammals. The only monotremes are platypuses and echidnas.
Are monotremes covered in skin?
Monotremes are covered with skin, but over the skin they have fur. Both platypuses and echidnas have fur, and echidnas also has sharp spines.
What word is to described the platypuses and echidnas?
Platypuses and echidnas are monotremes, or egg-laying mammals.
What is the other monotreme?
Platypuses and echidnas are both monotremes.
Do monotremes have fur?
Yes. Both types of monotremes - platypuses and echidnas - have fur and lay eggs. In addition, echidnas have sharp spines, but these protrude from its body through a layer of thick fur.
Who are platypus related to?
Platypuses are monotremes and their nearest relatives are Echidnas.
Is an echidna a rodent?
No; echidnas, unlike porcupines, are not members of the rodent family. Echidnas are monotremes, or egg-laying mammals.
Are moose monotremes?
No. A moose is a placental mammal, meaning it gives birth to live young. Monotremes are egg-laying mammals. Only platypuses and echidnas are monotremes.
Are platypuses and echidnas the only two mammals that lay eggs?
Yes. Platypuses and echidnas are the only monotremes, or egg-laying mammals.
A mammal that produces shelled eggs is a?
A monotreme. Monotremes consist of platypuses and echidnas.
Is an echidna an invertebrate?
No. All echidnas are mammals, and all mammals are vertebrates. Echidnas are different from "echinoderms".
