<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
Dismiss
Skip Navigation
Our Terms of Use (click here to view) and Privacy Policy (click here to view) have changed. By continuing to use this site, you are agreeing to our new Terms of Use and Privacy Policy.

Origins of Life

Describes how the first organic molecules formed.

Atoms Practice
Estimated1 minsto complete
%
Progress
Practice Origins of Life
Practice
Progress
Estimated1 minsto complete
%
Practice Now
Before the Beginning
teacher Contributed

Before The Beginning

Stromatolites, like these from Salkhan fossil park, India, are considered some of the oldest evidence of biological activity on Earth.

Head Scratchers

Use the resources below to answer the following questions:

  1. What are some features of hydrothermal vents that make people feel they may have contributed to the origin of life? What are some objections that people have to this theory?
  2. Why do some people feel a frozen ocean may have contributed to the origin of life? What are some problems to this theory?
  3. What effect does heat have on chemical reactions? Do you think this needs to be considered in theorizing how life originated?
  4. Why have scientists rejected the "Primordial Soup" as a valid theory for the origin of life? Are you surprised by this rejection? Why or why not?

Resources

My Notes/Highlights Having trouble? Report an issue.

Color Highlighted Text Notes
Please to create your own Highlights / notes
Show More

Image Attributions

Explore More

Sign in to explore more, including practice questions and solutions for Origins of Life.
Please wait...
Please wait...