Biological Diversity - Theory

Biological Diversity - Theory - Biological Diversity Theory...

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Biological Diversity - Theory 10/03/2008 12:24:00 Paramecium arlia and caudatum are using the exact same resources but Aurelia  seems to be more efficient at using those sources “Competative exclusion principle” no two species can coexsist indefinitely if  they have the same resources paradox of competition: why do we have so many species given that species  often required the same resources o Answers: 1. Self inhibition: two species can coexsist if they compete more  with themselves than they compete with other species ex. Spacial clustering means individuals of a speies are more  likely to interat with members of the same species 2. Niche partitioning: niche has set requirements they need to  survive. Occurs when species specialize on different diches ex. Darkling beetle only lives on sand dunes in Colorado, no  where else in the world. So it avoids competition with other 
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