Why two species cannot occupy the exact same niche

Interactions within and among species | High school biology | Khan Academy · 5:49 · Video: Khan Academy · Watch at the source

In short: Nature is a zero-sum game of resources. This video explains how species navigate competition, from internal struggles within a population to the complex dynamics between different species.

The video explores the mechanics of competition, distinguishing between intraspecific interactions (within a species) and interspecific interactions (between different species). It highlights how organisms manage these pressures through resource partitioning, which involves utilizing different habitats, food sources, or feeding schedules to coexist.

A central concept explored is the competitive exclusion principle. This principle states that two species cannot coexist indefinitely if they compete for the exact same limited resources. To survive, species must find a way to divide the environment or face displacement.

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