Monotremes are terrestrial egg-laying mammals, and as such they have fur. The platypus's fur is thick, velvety and waterproof, while the echidna has thick fur, through which grows a defensive set of sharp quills.
A monotreme is any animal that gives birth or lays eggs, and eliminates body waste through the same body orifice. Monotreme simply means one hole.
It depends on the classification of vertebrate.Mammals have a body covering of fur, skin or hair.Birds have a body covering of feathers.Reptiles have a body covering of scaly skin.Fish have a body covering of scales.Amphibians have a body covering of moist skin.
The body covering is molt I don't know what it is
Wallabies have a body covering of fur.
The body covering is fur.
A lion has a body covering of fur (hair).
The body covering of a lemur is fur.
The body covering of a meercat is fur.
a whale has the body covering skin
the body covering of a python is scales
A mole has a body covering of fur.
The body covering of a hippopotamus is fur.