Monthly Archives: September 2018

The Amniotic Egg: Amphibians to Reptiles (October 1-5)

It must be time to really “conquer the land”, as we say too often. 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 … Continue reading

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From Fins to Feet: Early Vertebrate Evolution (September 24-28)

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 (September 17 & 21)

It is an unusual week for us. We have class on Monday, no class on Wednesday, a review session on Thursday (3:30 – 4:30 pm, Scovel 205). Then your first lecture examination is on Friday. For preparation, I’m giving you … Continue reading

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The First Record: The Oldest Fossils (September 10-14)

Hard to believe we’re already in the fourth week. We will begin with continued discussions of origins, especially hypotheses about the origin of life. Please be sure to look at the links listed for last week on this topic. We … Continue reading

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