Yes, they are an egg-laying mammal.
A platypus is indeed an example of a monotreme. Though it is a mammal it lays eggs rather than giving birth.
Yes, platypuses are multicellular organisms.
A platypus is an Australian, semi-aquatic, egg laying mammal, so is multicellular.
Platypuses are multicellular. All mammals, and indeed all vertebrates, are multicellular.
is a platypus single or multy celled A platypus is a multicellular organism.
Platypuses are multicellular. All mammals, and indeed all vertebrates, are multicellular.
It is multicellular.
It is multicellular
cnidarians are multicellular
A sea star is multicellular.
A grizzly bear is a multicellular organism.
a platypus's bill is a bill that is on a platypus
a platypus's bill is a bill that is on a platypus
Bread mould is multicellular.