Intro to Biology Flashcard

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured in an experiment. It is affected by changes in the independent variable.

Front

What is an independent variable?

Back

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

Front

What does it mean when a graph shows a decreasing trend?

Back

A decreasing trend in a graph indicates that as one variable increases, the other variable decreases.

Front

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

Back

Control variables are factors that are kept constant to ensure that the results are due to the independent variable only.

Front

How can pollution affect plant growth?

Back

In general, as pollution decreases, the number of plants tends to increase due to improved environmental conditions.

Front

What is the purpose of a hypothesis in scientific research?

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

Front

What does it mean to analyze data?

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Analyzing data involves examining and interpreting the collected information to draw conclusions.

Front

What is a graph?

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A graph is a visual representation of data that shows the relationship between different variables.

Front

What is the importance of sample size in an experiment?

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A larger sample size can provide more reliable and valid results, reducing the impact of outliers.

Front

What is a trend in data analysis?

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A trend is a general direction in which something is developing or changing, often observed in data over time.