A(n) study uses an approximation of a given topic as the central focus of the research. this might involve using animals and then generalizing from their behaviors to those that may be seen in human beings.

The answer is "Analogue study".

Analogue Studies refers to studies in which a scientist attempts to copy the conditions theorized as prompting variation from the norm.  

Analogue studies are experimental studies in which members intently take after the objective populace. For instance, assume the objective populace would be discouraged individuals; in a simple examination, the specialists will lead try different things with discouraged creatures or ordinary individuals who were quickly made pitiful.

answer; ///he could not explain why the continents drifted;

answer; graduated cylinder;