Earth 4000 ma figure 37 bio1130 organismal biology 11

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: iology 10 Université d’Ottawa / University of Ottawa 10:22 AM stabilizing stage: marked by heavy bombardment. Earth 4,000 Ma Figure 3.7 BIO1130 Organismal Biology 11 Université d’Ottawa / University of Ottawa 10:22 AM Origins of life on earth Special creation Extraterrestrial origins (Panspermia) Chemical evolution © NASA BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 12 10:22 AM Page 4 Hadean eon Origins of life on earth BIO1130 Organismal Biology 13 Université d’Ottawa / University of Ottawa 10:22 AM Wacky water Cohesion, adhesion and surface tension Solvent properties Ice formation Temperature BIO1130 Organismal Biology 14 Université d’Ottawa / University of Ottawa 10:22 AM Wacky water Polar bonds and hydrogen bonding Nonpolar covalent bonds Polar covalent bonds BIO1130 Organismal Biology Figure F13 Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 15 10:22 AM Page 5 Hadean eon Wacky water Surface tension Figure F-16 BIO1130 Organismal Biology 16 Université d’Ottawa / University of Ottawa 10:22 AM Wacky water Solvent properties Figure F-17 BIO1130 Organismal Biology 17 Université d’Ottawa / University of Ottawa 10:22 AM Wacky water Ice and water formation 4ºC near OºC Figure F.15 BIO1130 Organismal Biology Université d’Ottawa / University of Ottawa BIO1130 Organismal Biology 18 10:22 AM Page 6 Hadean eon Wacky water Temperature Specific heats of some liquids (joules) Liquids with high levels of hydrogen bonding Ammonia (NH3) Water (H2O) 4.70 4.18 Liquids with moderate levels of hydrogen bonding Ethanol (CH3CH2OH) Ethylene glycol (HOCH2CH2OH) 2.44 2.22 Liquids with low levels of hydrogen bonding Benzene (C6H6) Zylene (C8H10) Sulfuric acid (H2SO4) 1.80 1.72 1.40 19 10:22 AM Organic evolution “Carbon is central to life carbon atoms link in chains, bind with other atoms to make the array of organic chemicals that constitute life itself, from DNA to toenails” – Richard Fortey – Life Carbon molecule 20 10:22 AM Miller-Urey Apparatus Electrodes CH4 NH3 H2O H2 Spark discharge Gases Water out Condensor Water in Water droplets Wat...
View Full Document

This note was uploaded on 02/04/2014 for the course BIO 1130 taught by Professor Fenwick during the Fall '08 term at University of Ottawa.

Ask a homework question - tutors are online