Phenotype I'd the correct answer to you question
Answer:
Migration is a form of geographic or spatial movement involving a change of usual residence between clearly defined geographical unit.Human beings,like other creatures,leave the place in which they dwell,in order to obtain some goals. The reasons they move from one place to another are geographical, social,political and economic as well.such movement is called migration.
Explanation:
Migration is measured by following measures:
1=In-migration rate
2=Out-migration rate
3=Net migration rate
4=Gross migration rate
Hope this helps you
Answer:
Group size
Explanation:
In an experiment the change of one variable over the other is measured.
The variable which shows changes because of another variable is called the dependent variable.
The variable which changes on its own and causes a change in the dependent variable is called the independent variable.
Here the survey measured how the satisfaction of the people varied in relation to the group size. Hence, the group size is the independent variable and the satisfaction is the dependent variable.
I believe it’s 4 opportunity cost
