Biology

The correct answer is: A.Competition

Here's why:

When two or more organisms of the same species need the same resource at the same time, they are in competition. Intraspecific competition (competition within the same species) happens when individuals of the same species vie for limited resources like food, water, shelter, or mates. This competition can reduce the availability of these resources and can affect the population size or behavior of the organisms involved.

Why the other options are not correct:

B.Symbiosis: Symbiosis...