Biology Test Unit 1

What is an independent variable?

• What you change in an experiment

• What you measure in an experiment

• The group in the experiment that you don't add anything to or keep 'normal'

• The group in the experiment that has the most change

What is a dependent variable?

• What you change in an experiment

• What you measure in an experiment

• The group in the experiment that you don't add anything to or keep 'normal'

• The group in the experiment that you add something to

What is a control?

• What you change

• What you measure

• The group in the experiment that you don't add anything to or keep 'normal'

• The group in the experiment that you add something to

Why do we have different groups in an experiment?

• To compare the results

• To confuse the participants

• To make the experiment more complicated

• To make the experiment longer

What is a hypothesis?

• A prediction of what the outcome of your experiment will be

• The measurements in numbers

• The measurements in words

• The things that you suspect are true based on what you see

What are the characteristics of life?

• Made of one or more cells

• Reproduce

• Grow and develop

• All of the above

You suggest that the presence of water could accelerate the growth of bread mold. This is a/an _____.

• conclusion

• analysis

• hypothesis

• experiment

When enough experimental data support a hypothesis, the hypothesis becomes a/an ____.

• fact

• inference

• conclusion

• theory

Which is NOT a unit of measurement in the metric system?

• gram

• inch

• meter

• liter

What is the term for the area of Earth where living things exist?

• community

• population

• biosphere

• environment