Zusammenfassung der Ressource
Frage 1
Frage
How is variation measured?
Frage 2
Antworten
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taking measurement of individuals, selected from the population of organisms which are being investigated
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observing especially in order to evaluate general health or determine the cause of illness.
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observing the species of an organism
Frage 3
Frage
How may sampling bias be prevented?
Antworten
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Random sampling, using large sample size or analysing data collected
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natural selection
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have human involvement any way possible to prevent bias
Frage 4
Frage
Why may a sample not be representative of the population as a whole?