The answer is positively and negatively, respectively.
Explanation:
This means that the frequency of some diseases and conditions affects a person's mood in a negative way (they might feel irritable or tired); the same way, a lack of these conditions is related to a positive or "uplifting" attitude.
For example, some studies show that a common cold causes impairment in mood, memory and alertness.
As the sociological instructor asks the students to make a list of the characteristic of the best and the worst possible type of the words and the terms that would be best to evaluate the instructor would be of an ideal type as he nor only tells about the best and worst words but also teaches the student to learn more and this ideal type is also called as a pure type and is given in the concept of the max weber.
Based on the given scenario above which describes about a certain bird specie and that their beak sizes makes a difference in survival, this would be considered as an example of NATURAL SELECTION. This is based on Charles Darwin's study. Hope this answers your question.
