Author Archives: Mark Wilson

Our Cenozoic Mammalian Cousins (continued) (November 26 – 30)

Please review the links from last week as we continue discussing the Mammalian Radiation in the Cenozoic. One of the interesting questions in the history of Earth’s climate is why the planet began a precipitous cool-down in the middle Eocene, … Continue reading

Posted in Uncategorized | Comments Off on Our Cenozoic Mammalian Cousins (continued) (November 26 – 30)

Our Cenozoic Mammalian Cousins (November 19)

We had our introduction to mammals back in the Triassic. They were ratty little critters then, but now that the non-avian dinosaurs are gone our mammals have become very serious and prolific. So many mammal groups appeared in the early … Continue reading

Posted in Uncategorized | Comments Off on Our Cenozoic Mammalian Cousins (November 19)

Catastrophe: The Cretaceous Mass Extinctions (November 12-16)

The story of the Cretaceous Mass Extinctions is amazing. The “Impact Hypothesis” was developed at the University of California, Berkeley, in 1980 when I was there as a graduate student (to my great fortune, even if I had nothing to … Continue reading

Posted in Uncategorized | Comments Off on Catastrophe: The Cretaceous Mass Extinctions (November 12-16)

The Greening of the Earth: Evolution of Plants (November 9)

Remember: No classes on Monday and Wednesday this week. I’m in Indianapolis with a large contingent of Wooster Earth Scientists at the annual meeting of the Geological Society of America. I’ll be giving this talk on Wednesday afternoon. Wish me … Continue reading

Posted in Uncategorized | Comments Off on The Greening of the Earth: Evolution of Plants (November 9)

Part II of The Evolution of Reptiles; early mammals (October 29 – November 2)

This week we will continue with dinosaurs, so please see the links and prose from last week. We will then explore the development of flying vertebrates, emphasizing pterosaurs. Remember that we have no classes on November 5 and 7 because … Continue reading

Posted in Uncategorized | Comments Off on Part II of The Evolution of Reptiles; early mammals (October 29 – November 2)

Jurassic Park, etc.: The Evolution of Reptiles (October 22-26)

This week we return to those wonderful reptiles, finally covering the dinosaurs. As you may imagine, the Web is rich in sites about these beasts. Some of these pages are excellent, some are horrible, most are tolerable (and long). The … Continue reading

Posted in Uncategorized | Comments Off on Jurassic Park, etc.: The Evolution of Reptiles (October 22-26)

Plate Tectonics (October 15-19)

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

Posted in Uncategorized | Comments Off on Plate Tectonics (October 15-19)

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

Posted in Uncategorized | Comments Off on The Amniotic Egg: Amphibians to Reptiles (October 1-5)

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

Posted in Uncategorized | Comments Off on From Fins to Feet: Early Vertebrate Evolution (September 24-28)

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

Posted in Uncategorized | Comments Off on Developing Marine Ecosystems (September 17 & 21)