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Unformatted text preview: founder effects 5. Natural selection— death and/or low reproduction from organisms with "unfit"alleles
• Fitness is defined as an organism's realized ability to reproduce relative to other individuals.
• Death and/or low levels of reproduction from organisms with low "fitness"
• Alleles of organisms that are able to reproduce the most ("most fit") become more prevalent in a population.
• This results in adaptation of a population to the biotic (living) and abiotic (nonliving) environments. The compo...
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This document was uploaded on 03/27/2014 for the course BIOLOGY Bio 2 at Timber Creek High.
- Fall '09