The concept of matching two continents with their geology using plate tectonics has been very important to the industry because precious minerals may be found on two continents that have rifted apart.

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