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Paleocene and EoceneMethods of Life History

Paleocene and EoceneMethods of Life History - Paleocene and...

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Lecture Topic: Asteroid or comet crashed into Earth during Cretaceous period ( Associated with Cretaceous Paleogene (or K Pg) extinction event Much terrestrial plant life dies off Herbivorous dinosaurs die out A niche opens up for small insect eating mammals Diverse radiation of mammals, including primates Know events of Cenozoic (from extinction to present) Paleocen e Archaic primate-like mammals (Plesiadapiforms) Cool Eocene Euprimates (prosimians) Very warm Oligocene First anthropoids (Catarrhines and Platyrrhines) Cool and dry, glaciation Miocene First hominoids and Old World Monkeys Warm then cooling Pliocene First hominins Pleistoce ne First Homo and spread of Homo sapiens Holocene Advent of agriculture and civilization Carnivorous dinosaurs that prey on them die out Drastic environmental changes arise What was the K-T Boundary? Pangaea Over 200 million years ago Laurasia and Gondwana 180 million years ago Continental Drift
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