Ch 2: AP Biology - The Origin of Life on Earth: Help and Review

About This Chapter

The Origin of Life on Earth chapter of this AP Biology Help and Review course is the simplest way to master how life originated 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 of life on earth.

Who's it for?

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

  • Students who have fallen behind in understanding the theories behind the origins of 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 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 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 of life on earth chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any origin of life question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in an origin of life on earth unit of a standard AP Biology course. Topics covered include:

  • Origin of life theories and explanations
  • History of life on earth and major eras
  • Endosymbiosis theory and the evolution of cells
  • Evolutionary change

5 Lessons in Chapter 2: AP Biology - The Origin of Life on Earth: Help and Review
Test your knowledge with a 30-question chapter practice test
The Origin of Life on Earth: Theories and Explanations

1. The Origin of Life on Earth: Theories and Explanations

Scientific theories of the origin of life on Earth are varied and typically focused on the utilization of radiation and chemical compounds within the atmosphere of the planet. Learn about the early stages of life on Earth from a scientific perspective, and discover the explanations provided by the Oparin Hypothesis and the Miller-Urey experiment.

The History of Life on Earth: Timeline and Characteristics of Major Eras

2. The History of Life on Earth: Timeline and Characteristics of Major Eras

Life on Earth started millions of years ago and these periods are classified into several major eras defined by the characteristics of the organisms existing within the appropriate timelines. Learn about the characteristics of different organisms that existed during major timelines in history.

The Endosymbiosis Theory: Evolution of Cells

3. The Endosymbiosis Theory: Evolution of Cells

The endosymbiosis theory suggests that organelles like mitochondria and plastids in eukaryotic cells evolved from prokaryotic cells. Learn more about the evolution of cells and discover evidence that supports the endosymbiosis theory.

Evolutionary Change: Definition and Forms

4. Evolutionary Change: Definition and Forms

Evolution is a phenomenon that happens when organic matter changes over time to adapt and survive to its changing environment. Learn the definition and forms of evolution and discover how it is portrayed in organic matter.

Primordial Soup: Theory & Model

5. Primordial Soup: Theory & Model

The origin of life has puzzled humanity for generations. In the 1920s, one proposed theory about the origin of life was the ''primordial soup'' theory. Discover the definition and details of the ''primordial soup'' theory, and learn about a model called the Miller-Urey Experiment that aimed to test the theory.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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