Respuesta :
Answer:
A glucose level of oxygen tanks docked by outryphum
Explanation:
The study of a living being is called biology.
The correct answer is A.
When a scientist performs an experiment in any given species or a population. It affects the closely related species in direct or indirect ways.
For example- if a researcher performs an experiment on the plants then it would affect the species which is directly dependent on the plants.
According to the question, the correct answer is A that is a study designed to investigate a genetic link between DNA samples found at a prehistoric central Asian archeological site and west coast American Indian tribes.
For more information, refer to the link:-
https://brainly.com/question/14698383