Explain how a coral reef both living and dead?

Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies