Verified Answer :

botanica

Microevolution refers to changes that occur within a single species or group or organisms.  Microevolution, as opposed to macroevolution, occurs in a short period of time. In microevolution, the ancestor and the descendant obviously belong to the same type.  For example, certain pests have evolved in such a way that they become immune to pesticides; the same thing has happened to certain weeds and herbicides. Hope this helps.

CharlieStryker


Microevolution
is the changes in allele frequencies that occur over time within a
population. This change is due to four different processes which are
presented below:





The
five agents of microevolution are:



Mutations



Gene
Flow



Genetic
Drift



Sexual
Selection



Natural
Selection





The
correct answer choice is: A) It is a change in allele frequency
within a population.





I
hope this helps, Regards.




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