Why might a group of mule deer move to another area if a larger herd of deer have come to the same habitat? Commensalism
Mutualism
Competition
Predation

Competition

Explanation:

Since its a same type of species, they would be going after the same food, therefore if more deer had migrated to their habitat, the mule deer will also migrate somewhere else to look for food. Reason for competition: food and habitat

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