Characteristics of life flashcard

Front

What is metabolism?

Back

Metabolism refers to all the chemical reactions that occur within a living organism to maintain life, including processes that convert food to energy.

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What is an independent variable?

Back

An independent variable is the one factor that is changed or manipulated in an experiment to observe its effect on a dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

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What does it mean to respond to stimuli?

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Responding to stimuli refers to how living organisms react to changes in their environment, such as a plant growing towards light.

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What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

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What is the role of respiration in living organisms?

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Respiration is the process by which organisms convert oxygen and glucose into energy, carbon dioxide, and water.

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What is the significance of control in an experiment?

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A control is a standard for comparison in an experiment, ensuring that the results are due to the independent variable.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).

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What is the scientific method?

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The scientific method is a systematic approach to research that involves making observations, forming a hypothesis, conducting experiments, and drawing conclusions.

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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.