What is adaptive evolution???PPPPPPPPPLLLLLLLLLLLLLSSSSSSSSSSSSSSSSSSSs give answer.

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crmhaske | College Teacher | (Level 3) Associate Educator

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Adaptive evolution is an evolutionary process in which advantageous mutations are selected for.  What this means is that those traits which increased the probability of survival of the species were more likely to be passed on into further generations to the point of being the norm instead of an abnormality.  For instance, giraffes with longer necks would be able to reach higher food, and as such, would be less likely to die of starvation.  With a decreased mortality rate in giraffes with longer necks there are more of them to procreate and pass on the “long-neck gene.”  There is much debate as to whether this process is purpose driven by natural selection or results from random genetic drift.



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