High School Biology: From the First Organism Onward - Earth Forms and Life Begins — Flashcards | High School Biology | FatSkills

High School Biology: From the First Organism Onward - Earth Forms and Life Begins — Flashcards

Fast review mode: answers are shown by default so you can skim quickly. Hide them if you want to self-test.

1 of 12 • Ready
Earth formed ____________ years ago, and life first appeared about ____________ years ago.
4.6 billion, 4 billion
Shortcuts
← Prev Space Show / hide → Next
Turn this into a study set.
Sign in with Google to save tricky questions to your reminder list and resume on any device.
Sign in with Google Free • no extra password
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.