Midterm Exam 2024 Study Guide Mrs. Cornish

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What is a dependent variable in an experiment?

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The dependent variable is the factor that is measured or observed in an experiment, which changes in response to the independent variable.

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What is a common name in biological classification?

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A common name is the non-scientific name by which a species or organism is known, such as 'dolphin' for the species 'Delphinus'.

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What is cellular respiration?

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Cellular respiration is the process by which cells transform sugar into a usable form of energy (ATP).

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Which organisms lack a nucleus?

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Bacteria are the only organisms listed that do not have a nucleus.

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What is an independent variable in an experiment?

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

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What is the function of ATP in cells?

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ATP (adenosine triphosphate) serves as the primary energy carrier in cells, providing energy for various cellular processes.

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What is the role of photosynthesis in energy transformation?

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Photosynthesis is the process by which plants convert sunlight into chemical energy stored in glucose.

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What is the significance of a control group in an experiment?

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A control group is used as a benchmark to compare the effects of the independent variable, helping to ensure that the results are due to the variable being tested.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

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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.