In Large Natural Ecosystems,competition Between Two Species Over Time Will

In large natural ecosystems,competition between two species over time will usually result in

A) death of all the members of one species within a short time.
B) equal numbers of each species persisting for a long time.
C) each species occupying a slightly different niche.
D) hybridization between the two species,resulting in a third species.
E) alternating high numbers of each species as they constantly evolve mechanisms to out-compete each other.