Answer:
a longitudinal design
Explanation:
Longitudinal study: This is an observational method of research, that gathers data from the same participants frequently or repeatedly over a while. This research can take plenty of time, and it can extend over months, years or decades. Also known as a panel study or longitudinal survey.
Types of longitudinal studies:
1. Panel Study.
2. Cohort Study.
<u>Answer:
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The type of evolution that leads to this phenotype distribution is known as directional selection.
<u>Explanation:
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- The process of evolution is a long and gradual process that emerges to exhibit various internal processes like that of the selection of direction, as it plays an important role in the development of organs in a specific manner.
- When a particular species undergoes evolution to withstand the changes that have occurred naturally, the species is also subject to get distributed away from its place of origin.
Maintaining balance in a horizontal relationship is mostly about accepting equality between participants in the relationship and having democratic values since horizontal relationships are about equality.
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