Ch 21: Earth's Timeline & Geological Evolution

About This Chapter

Go through this chapter's lessons and quizzes to learn important facts about the Earth's timeline and evolution. Each lesson will provide you with necessary information on key topics related to the history of life on Earth.

Earth's Timeline and Evolution - Chapter Summary

If you would like to learn about the timeline of the evolution of life on Earth, you can go through this chapter and read over each of the comprehensive lessons we have included there. Each lesson is compiled by an experienced instructor, who will share his or her expertise with you in an easy-to-use online format.

Once you are comfortable with your knowledge of each topic, you can answer the questions provided in the lessons' practice quizzes to make sure that you have accurately understood some of the main points from each lesson. The final chapter exam will test your understanding of the most significant information from the overall subject. You can also message the lesson instructors if you would like clarification on certain points. Once you have completed this chapter, you will be able to:

  • Identify the major eras of the history of life on Earth and their characteristics
  • Define evolutionary change
  • Recognize the forms of evolutionary change

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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