Which statement describes a benefit of coral reefs? A. The supply food to organisms in both rivers and ponds.
B. They produce chemicals that remove pollution from oceans.
C. They are home to many species of fish and marine invertebrates.
D. They trap sunlight to help plants grow in the deepest parts of the ocean.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

a

explanation: