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The five extinctions that have impacted the Earth over the past 400 million years-the Ordovician-Silurian, Late Devonian, Permian-Triassic, End Triassic, and Cretaceous-Tertiary-may be set to include another one on a massive scale. This alarming p...
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Contents
Biodiversity (4:17) -- Beetles and Other Insects (2:11) -- Bacteria and Life-Giving Oxygen (3:32) -- Charles Darwin, Evolution, and Natural Selection (3:20) -- Cataclysms and Extinctions (6:05) -- Arrival of the Human Species (6:28) -- Humans: Des...
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