Biology, 01.02.2020 11:42 GiselNeedsHelp101
Asmall population of prairie dogs lives in a habitat that does not undergo any changes for a long period of time. how is genetic drift likely to affect this population?
answer
a)it will accelerate the appearance of new traits in members of the population who are more “fit” for survival.
b)it will allow most members of the population to live longer because they will inherit many beneficial adaptations.
c)it will increase genetic diversity as new alleles are introduced to the gene pool from neighboring populations.
d)it will reduce genetic diversity by decreasing the frequency of some alleles a
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Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
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Asmall population of prairie dogs lives in a habitat that does not undergo any changes for a long pe...
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