Biology, 27.06.2019 03:50 garrettbridges6435
The independent variable is the only factor that a scientist a. varies for different groups in an experiment. b. measures in an experiment. c. keeps constant for each group in an experiment. d. does not change throughout an experiment.
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Biology, 21.06.2019 20:00
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, 22.06.2019 07:00
How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line
Answers: 3
Biology, 22.06.2019 14:30
Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called
Answers: 2
Biology, 22.06.2019 22:00
Examine the following diagram. place the labeled layers in order from youngest to oldest.
Answers: 1
The independent variable is the only factor that a scientist a. varies for different groups in an ex...
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