1805828
Description
Quiz by madeeha.samad, updated more than 1 year ago
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Created by madeeha.samad
almost 10 years ago
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Question 1
Question
How is variation measured?
Answer
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qualitative tests
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by taking samples
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measuring every aspect of organism
Question 2
Question
What is sampling?
Answer
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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
Question 3
Question
How may sampling bias be prevented?
Answer
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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
Question 4
Question
Why may a sample not be representative of the population as a whole?
Answer
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sampling bias or by chance
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species are different
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its very hard to investigate all species
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