16.1 Prokaryotic life began on a young earth. I. The Oldest Fossils A. Stromatolites- are thin layers of rock that contain ancient fossils B.Prokaryotes.
ASTROCHEMISTRY & ASTROBIOLOGY AGA 0316 Aula 12. Outline 1. Astrochemistry & Meteoritic Organics 2. Extraterrestrial Delivery 3. Early Earth.
Albia Dugger Miami Dade College Chapter 19 Life’s Origin and Early Evolution.
CHAPTER 25 CAMPBELL and REECE. Conditions on early Earth made the Origin of Life possible Macroevolution : evolutionary change above the species level.
Comets Hale-Bopp Stardust Spacecraft Comet Wild-2.
Early Earth and the Origin of Life chapter 26. First 3/4 of evolutionary history- organisms were microscopic *based on molecular clocks.
The History of Life. Pre-Darwinian beliefs reflected the concept of spontaneous generation Spontaneous generation refuted by Pasteur: no growth.
The Search for (Habitable) Planets C. Beichman, JPL.
Transformation: Capitalizing on Waves of Change Stephen Hacker.
Extra-Terrestrial Life and the Drake Equation Astronomy 311 Professor Lee Carkner Lecture 26.
RNA-catalysed nucleotide synthesis Peter J. Unrau & David P. Bartel Pamela Lussier Biochemistry 4000/5000.
Chemical Evolution n Proposes life began with the formation of a self-replicating molecule n Origin-of-life researchers are testing the steps of the theory.
