predation. mutualism. competition. commensalism.
I gave my students this multiple choice question: A scientist observes that both birds and snakes in the same ecosystem depend on the same mouse species as a food source. The relationship between the birds and the snakes is an example of

Only one answer is correct among these 4 choices:
- predation.
- mutualism.
- competition.
- commensalism.

Could you tell me which one is correct?

competition.