Snails and beetles have exoskeletons. Hypothesize the advantages and disadvantages of having an exoskeleton rather than a backbone. Explain your answer in one or two sentences.(2 points)
Among the advantages of having an exoskeleton are increased protection from predators and the environment, as well as structural support for movement and everyday activities. However, disadvantages include limitations on growth potential and flexibility, as well as the need for periodic molting to accommodate growth.
