decrease in food source. increase in disease. increase in predators. decrease in habitat.
I gave my students this multiple choice question: As the hawk population increases in an ecosystem, the deer mouse population will most likely decrease as a result of

Only one answer is correct among these 4 choices:
- decrease in food source.
- increase in disease.
- increase in predators.
- decrease in habitat.

Could you tell me which one is correct?

increase in predators.