Examlex
Transplanting embryonic eye tissue into the back of a developing tadpole will cause a lens to grow on the back of the tadpole. This is an example of:
Population
Any well-defined group of people (or things) that researchers want to know something about.
Researchers
Individuals who conduct systematic investigations to establish facts or principles or to collect information on a subject.
Sample
A group of people (or things) that are representative of the population that researchers want to study.
Representative
A person chosen or appointed to act or speak for another or others, especially in a political context.
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