The phenotype is the observable traits of an organism. You know, the behavioral trait, development, that sort of thing.
X=2
Do you want a reason why I got what I did?
Answer:
The correct answer is option B. cohort effects.
Explanation:
Cohort effects is an effect that is used in the social science or psychology to explain difference or variations in the traits of part of the study over a period of time in individuals who have some type of similar experiences such as year of birth or age.
It can be understood as a historical event that can lead to affect the cohort due to the life phase it takes place.
Thus, the correct answer is option B. cohort effects.
D. to help scientist plan an experiment in when ch no animals or humans are harmed.