Thursday, November 19, 2009

Describe the four types of competition and give an example of each.


The four different types of competition are intraspecific, interspecific, competitive exclusion, and resource petitioning. Intraspecific is defined as the struggle between members of a population for scarce resources. An example of intraspecific competition would be two lions fighting for a elephant. Interspecific competition refers to the competition between two or more species for some limiting resource. This limiting resource can be food or nutrients, space, mates, shelter, or any resource that is in demand by the animal. An example would be like a dog and a cat fighting. Competition exclusion is competition in which one species is out-competing another. Example would be native plants excluding non-native plants. The last type of competition is resource petitioning is species changing over time in order to reduce competition. Example would be animals eating different foods instead of fighting over it.

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