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Natural selection acts on:
Medieval Period
Historically referring to the Middle Ages, a period in European history from the 5th to the late 15th century, characterized by feudalism, the manorial system, and the spread of Christianity.
Scientific Societies
Scientific Societies are organizations or associations dedicated to the advancement of scientific research and knowledge, often providing a forum for the exchange of information and ideas among scientists.
Elliptical Orbit
The path taken by an object in space that revolves around another object in an ellipse shape, typical of planets and comets in our solar system.
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