The Science of Biology (1.1 -1.2)

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What is qualitative data?

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Qualitative data refers to descriptive information that can be observed but not measured. An example is 'The black peppered moth blends into the environment.'

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What are variables in an experiment?

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Variables are factors in an experiment that can change. They can affect the outcome of the experiment.

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What is a control group in an experiment?

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The control group is the group that is not tested and is used as a benchmark to measure how the other tested groups do.

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What is a dependent variable?

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The dependent variable is the variable in an experiment that you are measuring; it is the outcome that is affected by changes in the independent variable.

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What is an inference?

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An inference is a logical interpretation based on prior knowledge or experience.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is a hypothesis?

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A hypothesis is a testable prediction about the relationship between two or more variables.

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What is an independent variable?

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The independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is a constant in an experiment?

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A constant is a factor that remains the same throughout an experiment to ensure that the test results are valid.

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What is the difference between qualitative and quantitative data?

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Qualitative data is descriptive and cannot be measured, while quantitative data is numerical and can be measured.