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There is still some controversy among biologists about whether Neanderthals should be placed within the same species as modern humans or into a separate species of their own. Most DNA sequence data analyzed so far indicate that there was probably little or no gene flow between Neanderthals and Homo sapiens. Which species concept is most applicable in this example?
Potential Energy
The energy stored in an object or system due to its position, condition, or composition.
Kinetic Energy
The energy that an object possesses due to its motion, dependent on mass and velocity.
Efficient
Performing or functioning in the best possible manner with the least waste of time and effort.
Catalyst
Substance that increases the rate at which a chemical reaction proceeds without being changed permanently.
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