Chapter 18: The End of the Dinosaurs

Review Questions for Chapter 18

Introduction

• Introduction to the Cenozoic Era

An Asteroid or Cometary Impact?

• The K/T Boundary Extinction Event
• High Levels Of Iridium In The K/T Boundary Clay
• Evidence For The Meteor Impact Which Killed The Dinosaurs (Not responding: 4/9/00)
• Clickable Illustrated Map of Earth's Impact Craters
• Overview of Meteors, Meteorites and Impacts
• Image of Chicxulub Crater in the Yucatan Penninsula
• Your Chicxulub Questions Answered
• Kids Guide to the Chicxulub Disaster
• Explanation and Image of Tektites
• Michael Benton Review of Walter Alvarez's Book on Iridium Spikes and The Dusk of the Dinosaurs

A Giant Volcanic Eruption?

• The Earth's Current Hot Spots
• Hot Spots Explained
• Map of the Deccan Traps
• Images of the Deccan Traps
• Technical Details on Aging the Deccan Traps
• Did the Yukitan Meteor Impact Cause the Deccan Traps Volcanic Activity at the Impact's Antipode?: Probably Not

Visit the Source of this Page's Featured Images at The Smithsonian's Blast from the Past Website

Did a Catastrophe Cause the Extinctions?

• The Smithsonian's Blast from the Past
• What Killed The Dinosaurs?
• Patterns of Extinction of Dinosaurs at Hell Creek, Montana (Not responding: 4/9/00)
• Dewey McLean's Extensive Website: Dinosaur Extinction: The Volcano-Greenhouse Theory

Oceanographic Change

• Cool Maps of the Late Cretaceous (69 Ma) and the Middle Eocene (50.2 Ma)
• More Maps of the Late Cretaceous and the Eocene from the Global Earth History Website

Other Mass Extinctions

• The Permian Mass Extinction
• Review of Extinction Terms, Evidence, and Proposed Explanations

Repeated, Periodic Mass Extinctions?

• Diversity Patterns through Time
• Patterns of Extinction

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