What body parts of lobster it used for protection?

* Hard exoskeleton: The lobster's exoskeleton is made of a hard material called chitin, which is also found in the shells of insects and crabs. The exoskeleton provides the lobster with protection from predators and the environment.

* Claws: The lobster's claws are also used for protection. They can be used to pinch predators or to defend the lobster's territory.

* Spines: The lobster's body is covered in spines, which can help to deter predators.

* Fins: The lobster's fins can be used to help it swim away from predators.