The answer is B. Selection for two extreme variations of a trait
Disruptive selection : changes in population genetics in which extremes value of a trait over intermediate Value
By selecting two extreme variations of the trait, in will be categorized as Directional Selection, nor disruptive selection
The Tundra is a place that should stay undisturbed. If the tundras were destroyed animals, plants, and bugs would have no other place to go. Here is my reasoning right now cities are being built so animals are being pushed further away and they are inhabiting the land. If that land is destroyed a decrease in biodiversity, animals, plants, and bugs will occur.
Answer: Nagging should not be done
Explanation: Nagging is the activity in which a person starts to find the fault in another person in persistently.This type of behavior in continuous way can lead to irritate or annoy the other person.
The case mentioned in the question also describes about the nagging behavior showed by Bobbi towards her friend Charla. Bobbi is continuously finding mistake in behavior of Charla that she does not take enough stand for herself in the office. Thus, Charla is getting irritated with this act.
The answer is D . many muslim women wear hijab .