Complete the MasteringBiology® Lab:
Chapter 22 Investigation: “How Do Environmental Changes Affect a
Population?”
Take notes in the investigation’s notebook as you perform the
experiments.
Answer the three questions associated with the
investigation.

Save your results to submit to your
instructor.
Click the Submit for Grading button.
Type your e-mail address in the appropriate box. Your results
will be e-mailed to you.
Copy your results and paste them into a Microsoft®
Word document.
Submit that document to your instructor for grading.