The answer for the above statement is:
B. The Survival Of the Fittest due to competition for resources
After Overproduction, due to Natural selection, most fitted organisms just get stable into the ecosystem.
Step-by-step explanation:
Evolution and "survival of the fittest" don't seem to be a constant factor. Evolution refers to the additive changes during a population or species through time. "Survival of the fittest" could be a widespread term that refers to the method of natural action, a mechanism that drives organic process amendment.