Monthly Archives: February 2019

Plate Tectonics (March 4-8)

Our primary topic this week is the Theory of Plate Tectonics, with an emphasis on how the dynamic Earth has affected the evolution of life. We can start with this beautiful world map, showing continents, mountains, ridges, transform faults and … Continue reading

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The Amniotic Egg: Amphibians to Reptiles (February 25 – March 1)

I’m ignoring the fact that we’re still a day behind, alas. Please review the links for last week so you’re up to speed on the amphibians. Their descendants the reptiles are an enormously successful class, and their diversity is reflected … Continue reading

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From Fins to Feet: Early Vertebrate Evolution (February 18-22)

This week we return to the Paleozoic and examine developing marine communities, followed by a discussion of the causes of the Permian Mass Extinctions — the greatest disaster in the History of Life. Paleogeographic maps of Pangaea at the end … Continue reading

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Developing Marine Ecosystems (February 11-15)

Your first lecture examination is on Friday, February 15. For preparation, linked here is a sample test and the Fall 2018 student HOL test #1 answers. I highly recommend reading it through. The student answers are not necessarily the best, but they … Continue reading

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