±Jumps in fossil records suggest mass extinction.±Natural select= org prod more than cansurvandreprod/ surviving- better adapted.±4.6 billionyrsàsolar system formed.
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Tree of life 2
±Volcanos threw out h2o/H in bands/O hadnucreacin stars/together in cold space= h2o to ice/arriving in comets.
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Tree of life (planet)
±Pluto stripped statusàorbit overlaps with Neptune.±Planet must orbit round sun/large enough=nearly round/cleared orbit.
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Tree of life extremo
±Yellowstone basin=hot springs (extremo).±Bac mats in hot springs.±Microbes use sun to prod chemàchemotroph bac±Ocean floors/ Brine pools=meathane±Snotties= cavesàfeed on sulphur rich h2o.
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