NGSS Statement from LS4.B HS :
Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2) variation in the expression of that genetic information--that is, trait variation--that leads to differences in performance among individuals.
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Traits must be inherited from one generation to the next in order for natural selection to occur. |
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Traits must be inherited from one generation to the next in order for natural selection to occur. |