Which term describes the role or S. carcini in this relationship? A. Prey
B. Host
C. Parasite
D. Predator​

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

9. the history of life on earth is recorded in