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| | Dinosaurs and the History of Life—E-Seminar 1, Prelude to the Dinosaurs
| | Paul E. Olsen |
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In this first e-seminar in a series of nine, professor of geological sciences Paul Olsen takes us back to the time before the dinosaurs, 4.5 billion to 245 million years ago, when our planet formed and became habitable, the first complex organisms arose, and the direct predecessors of the dinosaurs—and ourselves—came to dominate Earth. Enter.
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| | Dinosaurs and the History of Life—E-Seminar 2, The Triassic and the Origin of Dinosaurs
| | Paul E. Olsen |
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In this second e-seminar in a series of nine, professor of geological sciences Paul Olsen explores the beginning of the age of the dinosaurs, the Triassic Period. Discover the kinds of animals that eventually gave rise to the dinosaurs, the earliest dinosaurs, and the organisms that shared the Earth with them—including fierce rivals that dominated the land until a mass extinction cleared the way for dinosaur domination. Enter.
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