Answer:
The correct option is C) they share the same niche.
Step-by-step explanation:
In biology, a competitive relation can be described as a relation in which one organism competes with the other one for resources like food, water etc. They might be feeding on the same prey and hence, will have to fight for their food. Most likely, these organisms will belong to the same niche where there will be a scarcity of a resource for which they would be fighting. Hence, C is the correct option.