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What are two reasons for why a species might disappear from the fossil record?
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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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Biology, 21.06.2019 22:30
Models are non-visual ways of coummincating how someone thinks about something in the natural world
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Biology, 21.06.2019 23:30
Which level of consumer had access to the smallest apply of energy
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Name the process where chiasma is formed...
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