Does not pass to next generation selected against the

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Unformatted text preview: ECTED FOR. • Does not pass to next generation = SELECTED AGAINST. The importance of variability • Natural selection will occur only if there is genetic variability. • Variability increases either through mutation or sexual reproduction. Mutations • Random errors that occur in the genetic material. • Most mutations are harmful (selected against), but some are useful (selected for). 2 PSYC 2010 (Dr. Escobar) Chapter 3 (part I) - Evolution and genetics The importance of environmental change • Evolution involves changes to adapt to the environment. If the environment never changed, evolution...
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This document was uploaded on 02/20/2014 for the course PSYC 2010 at Auburn University.

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