- Created by: Cj01!
- Created on: 31-10-19 12:49
Tree of life 1
±Catastrophism= suggests many floods.
±Jumps in fossil records suggest mass extinction. ±Natural select= org prod more than can surv and reprod/ surviving- better adapted. ±4.6 billion yrsà solar system formed.
Tree of life 2
±Volcanos threw out h2o/H in bands/O had nucreac in stars/together in cold space= h2o to ice/arriving in comets.
Tree of life (planet)
±Pluto stripped status à orbit overlaps with Neptune. ±Planet must orbit round sun/large enough=nearly round/cleared orbit.
Tree of life extremo
±Yellowstone basin=hot springs (extremo). ±Bac mats in hot springs. ±Microbes use sun to prod chem à chemotroph bac ±Ocean floors/ Brine pools= meathane ±Snotties= caves à feed on sulphur rich h2o.