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@NataliaVartan La vida (microbiana) en ecosistemas terrestres data de hace 3,2 mil millones de años https://t.co/KxdaCEEr7Q
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Terrestrial microbial ecosystems... in the Archaean? http://t.co/bObx61ycrO #paleontology #science http://t.co/pDSZh8oOLM
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In Ecosystems Through Time class today, discussing Beraldi-Campesi article, 'Early Life on Land.' http://t.co/XoepY1h1wT #Precambrian
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@khanacademy Dear Sal, this article is for you !! http://t.co/KzehwaKmYJ
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Cool paper! Early life on land and the first terrestrial ecosystems http://t.co/ZRfTJeatE1
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#ecologicalprocesses Early life on land and the first terrestrial #ecosystems http://t.co/Dfx5d4W5l0