Conditions on early Earth made the origin of life possible Synthesis of Organic Compounds on Early Earth Earth formed about 4.6 billion years ago (bya)
Overview Geologic events that alter environments change the course of biological evolution Example: Large lake splitting into several small lakes.
AND NOW FOR A BRIEF INTRODUCTION TO: THE HISTORY OF LIFE…
Origin of Life 004b. Universe formed 15 billion years ago (Big Bang) Galaxies formed from stars, dust and gas Earth formed 4.6 billion years ago.
ASSEMBLY OF AN INFORMATION BEARING POLYMER: PROTEINS FIRST? Strong points: Easy to synthesize amino acids under a variety of conditions and polymers.
