Prokaryotes play essential roles in the environment and industry. Which statement describes the benefit of nitrogen fixation, a process that certain prokaryotes perform? a. Genetically-engineered bacteria synthesize drugs and chemicals.
b. Bacteria clean up oil spills and or remove waste from water.
c. Bacteria break down dead organisms and cycle materials back into the environment.
d. Symbiotic bacteria on the roots of legumes help supply nutrients to the plant.