Origins

Theories on the Origin of Life

How might life have began following the formation of the planet 4.5 billion years ago? This unit examines key theories and evidence.

Theories on the Origin of Life

According to our best data, the Earth appears to have formed approximately 4.5 billion years ago. Our moon appears to be the result of a cataclysmic encounter with a small planetoid. How could life have evolved on a planet so inhospitable and Hadean? Read on ...

Instructions - complete the following

1. Read Text C17 pg 416-345
   or
   Digital Text pg 158-167

2. Watch the following to find out.

Origin of Life with Neil deGrasse Tyson

**How LIfe Began? with Neil deGrasse Tyson**

Earth is Born - Origins - with Neil deGrasse Tyson

3. Lessons
   Lesson 17.1
   Lesson 17.2 - Part 1
   Lesson 17.2 - Part 2
   Lesson 17.3
   Endosymbiotic Theory with the Amoeba Sisters

4. C17 Notes

5. Radioactive Dating Game Activity