Unit 1 Biology Review

When are line graphs used to display results?

• To compare averages of 2 or more things.
• To compare data taken over time.
• To show data that includes %'s or can easily be converted into %'s.

When are bar graphs used to display results?

• To compare averages of 2 or more things.
• To compare data taken over time.
• To show data that includes %'s or can easily be converted into %'s.

When are pie charts/graphs used to display results?

• To compare averages of 2 or more things.
• To compare data taken over time.
• To show data that includes %'s or can easily be converted into %'s.

Biology is the study of

• Air
• Life
• Water
• Bacteria

A ______________ is a testable explanation for a question or problem; an educated guess.

• Hypothesis
• Control
• Constant
• Conclusion

The variable that is changed or manipulated on purpose is the _______________________.

• independent variable
• dependent variable
• constant
• control

The thing that is measured in an experiment.

• Independent Variable
• Dependent Variable
• Control
• Constant

Explaining data from your experiment should be done in which of the following?

• Results
• Graphs
• Charts
• All of these

The conclusion states ____________

• what you predicted would happen.
• what you wanted to happen.
• what actually happened in the experiment.

How many independent variables should a good experiment have?

• 1
• 2
• 3
• 4