Exoskeletons are seen on snails and beetles. Consider the benefits and drawbacks of having an exoskeleton in place of a backbone. Give one or two sentences to support your response.
Benefits of having an exoskeleton include protection against predators and physical damage, while drawbacks include limited growth and mobility due to the rigidity of the exoskeleton. For example, while a snail's shell provides protection, it also limits its ability to move quickly and easily.
