In shallow water at the beach, Manuel saw an animal whose body was protected by hard plates. Its body also had radial symmetry. The animal pumped water into its tube feet to move. Which invertebrate group does this animal belong to? A. mollusks B. echinoderms C. sponges D arthropods

Geography · Middle School · Mon Jan 18 2021

Answered on

B. Echinoderms

Echinoderms, such as sea stars and sea urchins, exhibit characteristics like radial symmetry and a unique water vascular system that involves tube feet for movement. The hard plates in their endoskeleton provide protection and support.