Biology

Biology, 30.07.2019 14:20, estherdinhllama

What is the independent variable in farmer browns experiments

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Biology, 28.06.2019 20:20, ani61

Which statement best describes the relationship between a dependent variable and an independent variable in a scientific investigation? o the independent variable changes in response to changes in the dependent variable. the dependent variable changes in response to changes in the independent variable. o the dependent variable and the independent variable each change separately due to controls. o both the independent variable and the dependent variable are controlled by the experimenter. mark this and return save and exit next submit

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Social Studies, 09.07.2019 13:00, kaoris2322

Experiments in environmental toxicology can sometimes be manipulative experiments in which the researcher actively chooses and manipulates the independent variable. in hunt's study, for example, dosages of bpa were manipulated and the effects were measured. in manipulative studies, the researcher controls all the other variables in the experiment, so any health effects observed in the test subjects can be attributed to differences in the independent variable.

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Biology, 18.10.2019 00:40, john8016

Farmer brown believes that increasingly large doses of antibiotics will produce increasingly large beef cattle. what is the correct match between experimental variables and activities in farmer brown's experiment? a. dependent variable; all cattle receive the same hay, water, and living quarters. b.control variable; different groups of cattle are given different doses of antibiotics. c.independent variable; farmer brown tests only antibiotic x in even incremental dosages. d.hypothesis; farmer brown observes that dosage with 500 mg of antibiotics produces the most weight gain.

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Social Studies, 18.10.2019 19:30, jokerr5584

Controlled scientific experiments include variables. one kind of variable is an independent variable and the other kind is a dependent variable. which statement describes the difference between an independent variable and a dependent variable?

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