AP Biology - graphing review

What would the DEPENDENT variable be in an experiment testing which paper airplane design goes the furthest when thrown?

What would the INDEPENDENT variable be in an experiment testing which paper airplane design goes the furthest when thrown?

The variable that is measured throughout the experiment is the ________________

Hint: What you are testing and change as a result of your testing.

What is an independent variable?

A student is investigating the effect of light on the carbon cycle. They have beakers filled with water, plants, and/or fish which they place in light or dark conditions. They measure CO₂ concentration to determine the rate of respiration/photosynthesis.

What is the independent variable in this experiment?

A student is investigating the effect of light on the carbon cycle. They have beakers filled with water, plants, and/or fish which they place in light or dark conditions. They measure CO₂ concentration to determine the rate of respiration/photosynthesis.

What is the best way to represent these data?

<-- Click on the thumbnail to enlarge the graph.

What is the independent variable in this experiment?

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What is the best way to represent these data?

Sample E and Sample F:

Sample C and Sample D

The hot and warm glow sticks will glow for a significantly different amount of time from each other.

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Based on the graph, does exercise increase prolactin levels?

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One study compared testosterone oxido-reductase activity between male and female alligators from Lake Woodruff, a relatively pristine environment, and from Lake Apopka, an area that has suffered severe contamination.

The data in the graph best support which of the following claims?