Cacti with very few spines tend to be eaten by animals, and cacti with many spines tend to bepreferred by parasitic insects. this causes cacti with an average number of spines to be preferred. howwould you explain this? o a. this is an example of a disruptive selection in which the population of cacti is divided and well definedo b. this is an example of directional selection in which one end of the bell curve is better adapted to itsenvironment than the other endo c. this is an example of bidirectional selection in which evolutionary pressures from multiple sourcesencourage an organism to adapto d. this is an example of a stabilizing selection in which the intermediate form of a trait is advantageouscompared to the extreme forms of the trait