No. Hedgehogs are not monotremes (egg-laying mammals), as they do not lay eggs in order to reproduce. They are placental mammals.
The only monotremes are the platypus and the echidna.
Despite popular belief (due to their spiny backs, which are actually hollow hairs made stiff with keratin), hedgehogs are not related to porcupines (a rodent, whose quills come off upon contact, unlike the hedgehog) or echidnas (a monotreme).Instead, hedgehogs belong to the order Erinaceomorpha and are related to moles and shrews.
No, they are a marsupial and not a monotreme. There are only 2 members in the monotreme category which are the echidna and the platypus.
A platypus is a monotreme.
A monotreme is a mammal that lays eggs.
The echidna is a monotreme which eats ants.
That is the correct spelling of "monotreme" (a mammal that lays eggs).
The platypus is a monotreme mammal.
The reproductive system of a monotreme empties into the cloaca.
Yes, there is. The echidna is also a monotreme.
Yes a monotreme does have a backbone because it is a type of mammal and a mammal is a vertebrate.
No.
A Duck-billed Platypus is an Australian example of a monotreme, a mammal that lays eggs.