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Unformatted text preview: nents of natural selection:
1.iVariation - individuals vary
2.11nheritance - these varying traits are heritable
3.Varying degrees of reproductive success - some individuals will reproduce more than others
• How natural selection works: Variation
• Works mainly onIygenic traits that have a spectrum of variation...
• Members of a population vary (e.g. some are taller, lighter, faster, quieter, etc.).
• This is because alleles for all genes are reshuffling during sexual reproduction (e.g. independent assortment), ' eetic variation => phenotypic variation
• ypically, many allele...
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This document was uploaded on 03/27/2014 for the course BIOLOGY Bio 2 at Timber Creek High.
- Fall '09