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Stepping Stones
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Chapter 20 Reaching for new horizons
https://earthstep.wordpress.com/2016/06/11/chapter-20-reaching-for-new-horizons/
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Tagged with:
carbon cycle
life on land
palaeogeography
adaptive radiation
limestones
recovery from extinctions
Sections Three evolutionary bushes Evolution in the seas and the carbon cycle The continents go green Wounded from time to time by the appearance of some kind of grim reaper, life’s record since proper fossils… More
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