Why is the relationship between moose and bison in the mixed forest ecosystem considered competition?

The key concept that defines the wording of the answer is “competition”. This is an example of interspecific competition since species with similar needs in:
1) Food
2) territory, shelters,
3) water.
Competition is an antagonistic relationship between organisms (in this case, between different species) that use the same resources (food, territory, light, etc.)
Moose and bison are herbivorous animals.
Answer: They eat the same plant foods.

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