Unit 1 Review- Biology- S131- 1st Period

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What is the scientific method?

Back

A systematic approach used for problem solving that involves observation, hypothesis formulation, experimentation, and conclusion. It is not limited to scientists in a lab.

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What is the smallest unit that can carry out all functions of life?

Back

Cells.

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What is a control in an experiment?

Back

The part of an experiment that is used as a comparison to the thing being tested.

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What is homeostasis?

Back

A living thing’s ability to maintain stable/balanced conditions for life.

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What is the independent variable in an experiment?

Back

The variable that is manipulated or changed to test its effects.

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What is a hypothesis?

Back

A proposed explanation for a phenomenon, which can be tested through experimentation.

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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 an experiment?

Back

A procedure carried out to test a hypothesis and observe the effects of changing variables.

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What is a variable in an experiment?

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Any factor, trait, or condition that can exist in differing amounts or types.

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What is the purpose of a placebo in an experiment?

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To serve as a control to compare the effects of the actual treatment.