Answered

Competitive exclusion occurs when _______.

Aorganisms attempt to fill the same niche
Borganisms mark their territory
Corganisms experience intraspecific aggression
Dorganisms have a symbiotic relationship

Verified Answer :

Competitive exclusion occurs when "a. organisms attempt to fill the same niche" mostly due to the fact that they are competing over the same food source, which is always limited in some way.

I believe the answer is: a. organisms attempt to fill the same niche

Competitive exclusion refers to a principle that stated that two organisms who compete for the same resources cannot had the same constant population values together. This mean that when one of the organisms experiencing a rise in population, the other competing organism would experience a decline in population and vice versa.

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