Hard shells, sharp claws, powerful legs, sharp teeth, etc. etc.
By hiding themselves in the sand or using the special feature given to them by god.
Animals are venomous to defend themselves from bigger animmals.
personally i think that roaches cant defend themselves because they dont have any special talent to help defend themselves
a whale
They live of dead animals and small animals that cant defend themselves
nuclear weapons
No. This only can happen in cartoons or movies.
They try to defend themselves from the predator, or whatever it is.
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sharks defend themselves because they are afraid of being eaten and attacked by the other fish or animals
by blending in with other things and using special body parts.
Primarily crickets jump or fly away from animals that endanger them. Crickets have been known to use their relatively strong jaws to defend themselves from time to time.