Author Archives: Mark Wilson

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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The Very Beginning: Origin of the Universe, the Early Earth & Life (September 3-7)

We’ll start the week finishing the biological basis of evolution, and then work into physical origins. Please review the links from last week, especially on DNA. Here’s a cool YouTube video of the “known universe” produced by the American Museum … Continue reading

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Mechanisms of Organic Change: Evolution (August 27-31)

Lots of material this week. Note that you do not need to read every word of every source. These are supplementary resources for your understanding of the topics. Start with a good definition of evolution, for you will soon see … Continue reading

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Antiquity of the Earth and Life (August 22 & 24)

Geologic time is a fascinating topic. It is so unimaginably long it has been called “deep time”. Please learn the Geologic Time Scale as soon as possible because it is the chronological language of this course. Because you certainly don’t … Continue reading

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