If a new food source is introduced to a community, what is likely to happen to the population size of organisms that utilize that food?

The correct option is Population size will increase.. This answer is correct because it matches the approved learning objective to explain how availability of food can affect population size and competition in the subtopic Biotic factors.

The correct option is Population size will increase.. Population size will increase. is correct because it directly supports the approved learning objective to explain how availability of food can affect population size and competition. This belongs to the subtopic Biotic factors within Adaptations, interdependence and competition, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Biotic factors.