A student made the following table comparing the support structures in animals: Examples of Support Structures in Animals Exoskeleton Skeleton .The hard covering on the outside of invertebrates Helps support the body but prevents some movement The internal skeleton or backbone of vertebrates .Helps support the body and protects the internal organs. What statement best explains why the list is incorrect? Soft skin covers the exoskeleton in invertebrates. The exoskeleton helps support movement by working with the muscles. Invertebrates contain an internal skeleton or backbone. The skeleton protects and prevents movement in vertebrates.