9. Prior to herbicide application, a student notes that there are two related species of weeds (A and B) that occur in similar numbers in plot 5. Species A reproduces sexually and species B reproduces asexually. After exposing both weed populations to several applications of the herbicide, the student observes that the population of species B has become significantly smaller than the population of species A.

Why did species A most likely have a survival advantage over species B?

A,There was greater genetic variability in species A than there was in species
B. The percentage of herbicide-resistant weeds decreased in species A but not in species B.
C. Asexual reproduction allows the weeds to produce more offspring in a shorter period of time.
D. Sexually reproducing weeds are better able to utilize nutrients from the herbicides than asexually reproducing weeds.

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