Competitive exclusion, also known as Gause's Law, is an ecological concept positing that two species that occupy a similar niche in the same location cannot coexist stably for extended periods of time. One species will e... More » Science Biology Zoology

The competitive exclusions principle says that two species cannot exist together if they compete for the same resources. One will either die out or migrate, or they will adapt to carve out separate resource niches. An ex... More » Science Environmental Science

According to the competitive exclusion principle, also known as Gause's Law, if two species occupy the same niche, they inevitably compete for the dominance of this niche until one of them brings about the extinction of ... More » Science Environmental Science
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The competitive exclusion principle states that two species cannot occupy the same niche. When two species compete for the same habitat and resources, the end result is that one species eliminates the other. This concept... More » Science Biology Zoology

Mutualism refers to an ecological interaction involving two species from which both benefit. These relationships can take place within one species or between different species. Mutualism can also occur with individuals i... More » Science Biology Zoology

One example of character displacement is that when two species of Galapagos finches, Geospiza fuliginosa and Geospiza fortis, occur on the same island, the difference between their beak sizes is accentuated. When either ... More » Science Biology Zoology

Remora and sharks have a commensalism relationship which, according to the Encyclopedia Britannica, is a relationship between two species in which one benefits from the other without either being harmed. Commonly called ... More » Science Biology Zoology