Examlex
A population must have ________ for natural selection to occur.
Scientific Observation
Watching and recording participants’ behavior in a systematic and objective manner—in a natural setting, in a laboratory, or in searches of archival data.
Systematic
Characterized by having a methodical plan or procedure, especially in the context of scientific research or thorough investigation.
Objective Manner
A way of thinking or approaching situations impartially, without allowing personal feelings or prejudice to influence judgment.
Survey Research
Survey research involves collecting data and information from a sample of individuals through their responses to questions, assessing opinions or behaviors.
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