Natural Selection Rests on 4 Premises:

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Presentation transcript:

Natural Selection Rests on 4 Premises: There is _______ in the traits of individuals within a population

Natural Selection Rests on 4 Premises: There is differential________, i.e., some individuals survive and reproduce, some don’t, also know as fitness.

Natural Selection Rests on 4 Premises: Traits have a _______ , or are inherited from parents

Natural Selection Rests on 4 Premises: _____________, which allows organisms to have more offspring, will become more common in the population over time.

Through____________________________________ Through____________________________________. . . One Species Evolved Into Another New Species By Adapting To Its New Environment

We see this trend again and again in the Animal Kingdom We see this trend again and again in the Animal Kingdom . . . Speciation by means of Reproductive Isolation & Natural Selection!