EVENT 1: Formation of the UNIVERSE

EVENT 2: Formation of the EARTH

Air composition

Early atm

EVENT 3: Mixture of elements

Complex molecules

“Mud formation”

EVENT 4: Formation of small units

•CO2 — Carbon dioxide •CO — Carbon monoxide •H2O — Water •N2 — Nitrogen •CH4 — Methane •NH3 — Ammonia

EVENT 5:Formation of Macromolecules

Oparin-Haldane

Miller-Urey

Experiments

EVENT 6:Macromolecules to Pre-CELLS

Proteins

Polysaccharides

Nucleotides

Lipids and Fats

CELL-like

structures composed of these Macromolecules

EVENT 7: Formation of Pre-CELLS

EVENT 8: Pre-CELLS to Living CELLS

RNA or AATE?

5 Descriptions of FIRST LIFE

1. Unicellular

2. Asexually reproducing

3. Aquatic environment

4. RNA containing

5. heterotrophic