VERY VERY EASY QUESTION. WILL MARK BRAINLIEST A marine biologist explains that salmon populations change over time because of differential reproduction. What is "differential reproduction"?

Some organisms in a population lay eggs, while others produce sperm.

Some organisms in a population produce more male offspring than others.

Some organisms in a population produce more offspring than others.

Some organisms in a population reproduce in rivers, while others stay in the ocean.

Differential reproduction means that some organisms in a population produce more offspring than others.

Differential reproduction refers to the difference between individuals in a population and how many offspring they are able to leave.The best adapted organisms to a given environment will leave more offspring than those who are not well adapted. Differential reproduction depends on the natural

answer; /// i do believe its (heredity); good luck

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."