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Ch 20: The Origin and History of Life On Earth: Help and Review

About This Chapter

The Origin and History of Life on Earth chapter of this College Biology Help and Review course is the simplest way to master the origin and history of life on Earth. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of the origin and history of life on Earth.

Who's it for?

Anyone who needs help learning or mastering college biology material will benefit from taking this course. There is no faster or easier way to learn college biology. Among those who would benefit are:

  • Students who have fallen behind in understanding the theories used to explain life on Earth
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about the origin and history of life on Earth
  • Students who struggle to understand their teachers
  • Students who attend schools without extra science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the Origin and History of Life on Earth chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the Origin and History of Life on Earth chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any question on the origin and history of life on Earth. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

In this chapter, you'll learn the answers to questions including?

  • What theories are used to explain the origin of life on Earth?
  • How are the major eras in Earth's history defined?
  • How does endosymbiotic theory explain the evolution of cells?
  • What forms of evolutionary change have occurred throughout Earth's history?

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