Biology Unit 01 Review: Scientific Investigation

Which of the following choices is the correct order of steps in the scientific method?

• Hypothesize, draw conclusions, experiment, analyze data

• Analyze data, hypothesize, experiment, draw conclusions

• Hypothesize, experiment, analyze data, draw conclusions

• Hypothesize, analyze data, draw conclusions, experiment

When graphing your results, which variable in the experiment should go on the x-axis?

• Independent Variable

• Dependent Variable

• Control Variable

• Constant

A student wants to examine whether the average height in her class differs between males and females. What kind of graph would she use to display her data?

• Bar Graph

• Line Graph

1)What is the dependent variable in Jane’s experiment?

• Weight of algae

• number of crabs

• number of snails

What is the control in Jane’s experiment??

• Buckets with crabs

• Buckets with no crabs

Jeremy wanted to study the feeding behavior of brook trout. Which of the following should Jeremy do?

• Collect some brook trout and watch them feed in an aquarium

• Observe the brook trout living in the Roanoke River for 1 year.

• Ask a local fisherman about brook trout behavior.

• Observe some bass and make inferences about brook trout behavior.

What is the independent variable?

• Days in June

• individuals/m²

How would you describe the overall trend for the ladybug population between June 12th and June 14th?

• Increase

• Decrease

• Stay the same

How many times between the 4th and the 20th of June were the populations of ladybugs and red mites the same?

• 3

• 2

• 1

What is wrong with this experiment

• too many variables

• no control group

• no constants