Lab Safety and Characteristics of Life

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What is metabolism?

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The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes.

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What type of data is represented by numerical values?

Back

Quantitative data.

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What is an autotroph?

Back

An organism that makes its own food.

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What is a dependent variable?

Back

The variable that is measured in an experiment, which is affected by changes in the independent variable.

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In an experiment, what is the independent variable?

Back

The variable that is changed or controlled to test its effects on the dependent variable.

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What is qualitative data?

Back

Data that describes characteristics or qualities, often observed but not measured numerically.

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What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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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 purpose of a control group in an experiment?

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To provide a baseline for comparison against the experimental group.

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What is an observation in scientific research?

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The act of noting and recording something with instruments or through the senses.