Why do hedgehog have spikes on their body?

Answer 1

Hedgehogs havespikes [quills] because in the wild they use it to protect themselves. Hedgehogs do not have sharp as quills as porcupines. They have softer, blunter quills. Hedgehogs shed their quills when they become older.

Answer 2

If you are reffering to its pokey, porcupine like back: they rub mucus in their fur to collect twigs and stuff (don't ask me why), and that makes their fur spiky.

If you are referring to its backbone: Then it is because they are Mammals and all mammals have a skeletal system or Bones.

Answer 3

Spikes are a hedgehogs natural protection from predators.

Answer 4

For protecting them when in danger or feels that its being harmed

Answer 5

It is for protection against other animals.

Answer 6

For protection from enemies and to scare off predators.

Answer 7

for protection from predetors