What feeding strategy and adaptation would an organism that lived in the abyssopelagic zone most likely use in order to survive, and why?

Scavenge dead matter on the ocean floor because it is difficult to find prey in the darkness

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."

i think its the first one