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Which organisms would be at the bottom of the energy pyramid for this ecosystem
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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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Using the periodic table, determine which material is most likely a good conductor
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What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms
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Biology, 22.06.2019 17:00
What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.
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Which organisms would be at the bottom of the energy pyramid for this ecosystem...
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