Ch 29: GRE Biology: Ecological Chemical Cycling

About This Chapter

Refresh your knowledge of ecological chemical cycling. These informative video lessons cover what you need to know about this topic for the GRE Biology Test.

Ecological Chemical Cycling - Chapter Summary

View these brief and engaging video lessons to learn about ecological chemical cycling. These lessons and the self-assessment quizzes following each lesson will help you sharpen your understanding of this material. Lessons in this chapter cover:

  • Phosphorus cycle
  • Nitrogen cycle and acid rain
  • Fossil fuels
  • Carbon cycle
  • Greenhouse gasses and global warming
  • Long-term carbon storage

Our instructors are experts in their field and break down complex subjects into smaller sections to make learning easy. Watch the video lessons as often as you would like to ensure that you understand ecological chemical cycling. Take an exam at the end of the chapter to assess your comprehension of the content covered in each lesson.

GRE Biology Objectives

The GRE Biology Test is a subject test intended for graduate school applicants to show their knowledge of biology to graduate program admissions committees. The GRE Biology Test is organized into three primary areas: cellular and molecular biology, organismal biology, and ecology and evolution. Ecological chemical cycling questions fall within the ecology and evolution section. Our lessons discuss the ecological chemical cycling information you need to know for the test.

The GRE Biology Test consists of approximately 190 multiple-choice questions with 16% to 17% covering ecology material. Each question has 5 answer options.

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

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