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Science in Action Notes_ Biological Diversity (2

Science in Action Notes_ Biological Diversity (2 - Science...

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1/30/12 Science in Action Notes: Biological Diversity (2.0) 1/3 edquest.ca/component/«/129-science-in-action-notes-biological-diversity-2« Science in Action Notes: Biological Diversity (2.0) _ Print _ 2.1 . A Closer Look at Variation VaUiaWiRQ iV RQe Rf Whe PRVW cUiWicaO aVSecWV Rf VSecieV VXUYiYaO. ThiV YaUiaWiRQ Pa\ QRW aOZa\V be aV eaV\ WR fiQd aV cRORU XVXaOO\ iV, becaXVe iW Pa\ be a behaYiRUaO WeQdeQc\ RU a geQeWic (ceOOXOaU cRde) PRdificaWiRQ WhaW eQabOeV VRPe iQdiYidXaOV ZiWhiQ a VSecieV WR VXUYiYe, ZhiOe RWheUV, Rf Whe VaPe VSecieV, ZiOO SeUiVh. Genetic Trait Variations (ObVeUYiQg VaUiaWiRQ iQ HXPaQ ChaUacWeUiVWicV S. 27) Global Human Traits Surve\ Inherited and Non-inherited Characteristics Inherited (heUiWabOe) chaUacWeUiVWicV aUe WhRVe WUaiWV Zhich aUe SaVVed RQ WR RffVSUiQg diUecWO\ fURP WheiU SaUeQWV. TheVe WUaiWV aUe SaVVed RQ b\ Za\ Rf Whe geQeWic PaWeUiaO WhaW iV cRPbiQed fURP Whe SaUeQWV dXUiQg Whe SURceVV Rf Ve[XaO UeSURdXcWiRQ. HeUiWabOe WUaiWV iQcOXde, VWUXcWXUaO aQd diVWiQgXiVhiQg chaUacWeUiVWicV, VXch aV e\e cRORU, haiU W\Se, VNiQ cRORU aQd eaUORbeV. Non-inherited chaUacWeUiVWicV aUe acTXiUed aQd QRW QeceVVaUiO\ SaVVed RQ fURP geQeUaWiRQ WR geQeUaWiRQ. AWhOeWiciVP, aUWiVWic abiOiW\, OeadeUVhiS TXaOiWieV aUe aOO OeaUQed dXUiQg Whe eaUO\ \eaUV Rf Oife. Discrete and Continuous Variations Discrete YaUiaWiRQV aUe diffeUeQceV iQ chaUacWeUiVWicV WhaW haYe a defiQiWe fRUP. ThiV iQcOXdeV WhRVe iQdiYidXaOV, ZiWhiQ a VSecieV, WhaW haYe eiWheU RQe chaUacWeUiVWic, RU Whe ViQgOe, RWheU YaUiaWiRQ, Rf Whe chaUacWeUiVWic.
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