What is competitive exclusion?
Competitive exclusion, also known as the competitive exclusion principle, occurs when two species are in exactly the same niche and one of them will eventually take over. The other species is then said to be excluded from that particular niche. This can happen for many reasons; for example if a new competitor moves into an area where both competitors live or if a resource such as food becomes scarce.
In the text, it states that this can happen for many reasons. Do you have any examples of when competitive exclusion may occur in nature? One example is if a new competitor moves into an area where both competitors live and take over one’s territory.
For instance, let’s say there are two different types of squirrels living on opposite sides of a forest near each other. The gray squirrel goes to the east side whereas the black-and-white squirrel lives on the west side.
If a third type of rodent came from somewhere else and started competing with these species for food or trees to climb up onto they would be excluded because they no longer have access to their specific niche–the animals might not even know about the newcomer but will simply