Sep/Oct 2016 • Vol. XXXVIII No. 5 PoetrySeptember 1, 2016 |

Geo Logic

Flat years and fat years, mollusks and globed leaves. In the beginning of the Middle Proterozoic, oxygen spelled doom for many bacteria. This made possible the end of the Proterozoic—algae and the first animals. Within the first million years of the Paleozoic, everything appeared. At the end of this era, extinction wiped out many species. Causes of these events are not fully understood. Animals, fungi, and plants colonized land, insects took to air, and limestone was deposited near Burlington, Missouri. Dinosaurs are the most popular organisms of the Mesozoic, evolving in the Triassic, not diverse until the Jurassic, extinct with the Cretaceous, except for the birds. The Miocene is notable for kelp and grasslands. Climates warmed and then cooled. The African plate joined the Asian; animals migrated. Many fossils of this time have relatives today. Temperatures shifted during the Pleistocene. Fossils from this period are well preserved. The Irish elk, Megaloc

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Turing

By Bruce Bond

Flat years and fat years, mollusks and globed leaves. In the beginning of the Middle Proterozoic, oxygen spelled doom for many bacteria. This made possible the end of the Proterozoic—algae […]

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