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