What is the most probable reason for the increasing predator population from day 5 to 7?

There is no attachment, but I will hazard a guess at increased prey.

Explanation:

a marine ecosystem, algae are able to use sunlight and inorganic materials to make their own food. Clams feed on the algae by filtering them out of the water. Which organisms are primary consumers.

Explanation:

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."