Lec 19 - The Fossil Record and Life's History
"Lec 19 - The Fossil Record and Life's History" Principles of Evolution, Ecology and Behavior (EEB 122) The fossil record holds a lot of evolutionary information that can't be seen on shorter time scales, although the more recent fossil record is more complete. Among other things, the fossil record demonstrates that extinctions can open up ecological space for new speciation and radiation, and that life forms tend to begin small and evolve to be bigger over time. 00:00 - Chapter 1. Introduction 04:18 - Chapter 2. Cambrian Animal Radiation 14:52 - Chapter 3. Plant Radiation and Vertebrates Coming Ashore 24:39 - Chapter 4. Patterns in Radiation of Life 31:46 - Chapter 5. Vanished Communities of Life 40:21 - Chapter 6. Stasis 46:57 - Chapter 7. Summary Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses This course was recorded in Spring 2009.
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Channels: Ecology
Tags: fossils stasis extinctions radiation extinction Copes Law development Coelacanth living fossils Cambrian Burgess Shale trilobites plants animals multicellularity geology
Uploaded by: yaleevoeco ( Send Message ) on 02-09-2012.
Duration: 47m 55s
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Lecture list for this course
Lec 1 - The Nature of Evolution: Selection, Inheritance, and History
Lec 2 - Basic Transmission Genetics
Lec 3 - Adaptive Evolution: Natural Selection
Lec 4 - Neutral Evolution: Genetic Drift
Lec 5 - How Selection Changes the Genetic Composition of Population
Lec 6 - The Origin and Maintenance of Genetic Variation
Lec 7 - The Importance of Development in Evolution
Lec 8 - The Expression of Variation: Reaction Norms
Lec 11 - Life History Evolution
Lec 14 - Species and Speciation
Lec 15 - Phylogeny and Systematics
Lec 16 - Comparative Methods: Trees, Maps, and Traits
Lec 17 - Key Events in Evolution
Lec 18 - Major Events in the Geological Theatre
Lec 21 - Evolutionary Medicine
Lec 22 - The Impact of Evolutionary Thought on the Social Sciences
Lec 24 - Climate and the Distribution of Life on Earth
Lec 25 - Interactions with the Physical Environment
Lec 26 - Population Growth: Density Effects
Lec 27 - Interspecific Competition
Lec 28 - Ecological Communities
Lec 29 - Island Biogeography and Invasive Species
Lec 30 - Energy and Matter in Ecosystems
Lec 31 - Why So Many Species? The Factors Affecting Biodiversity
Lec 32 - Economic Decisions for the Foraging Individual
Lec 33 - Evolutionary Game Theory: Fighting and Contests
Lec 34 - Mating Systems and Parental Care