Ch 15: Biogeochemical Cycles

About This Chapter

Use the videos and quizzes in this chapter to improve your understanding of the biogeochemical cycles of matter, four spheres of the Earth and renewable and non-renewable resources.

Biogeochemical Cycles - Chapter Summary

Watch the engaging lesson videos of this chapter to get a refresher on the nitrogen and carbon cycle as well as interactions between the four spheres of Earth. The objective of this chapter is to increase your understanding of the following topics:

  • The nitrogen and carbon cycles of matter
  • Geosphere, hydrosphere, biosphere and atmosphere
  • Interactions between the geosphere, hydrosphere, biosphere and atmosphere
  • Difference between renewable and non-renewable resources

These short, engaging lesson videos are taught by expert instructors who are available to answer any questions you may have about the topics covered so that you can master the material. Also don't forget to complete the self-assessment quizzes to fortify your comprehension of the lessons and find areas you don't fully understand. Improve your understanding of these areas by returning to the lesson videos via video tags.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.