Since grasshoppers are primarily in grass they camouflage themselves. Using camouflage, predators have a hard to seeing them, so they are usually unsuccessful at eating them.
It protects itself
to protect itself from predators
The grasshoppers exoskeleton is like a suit of armor that protects and supports the body ( in biology book)
If you mean to defend or protect itself they blend in with the grass so they're not seen
a tiger salamander protects itself by poisoning its prey.
the eye lashes protects the eye from on coming objects
it protects itself by being on a high tree or being in a herd with its friends and relatives.
Like all insects, grasshoppers have exoskeletons.
a falcon protects itself with its claws and beak.
what do you mean a puffing
by it's thorns
it bites its enemy