The hedgehog's back is covered in sharp spines. If threatened, it will roll into a tight ball.
Echidnas have thick fur, and out of this fur grow hundreds of sharp quills, which are known as spines. The fur ranges from light brown to a dark, almost black colour.
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.
to protect there babies and themselves
It's possible, as quills are modified hairs - but hedgehogs have about 6,000 on their body and it would be a little pointless.
A lion has a body covering of fur (hair).
The body covering of a lemur is fur.
the body covering of a python is scales
The body covering of a hippopotamus is fur.
A mole has a body covering of fur.