Geologic Time Earth and Space Science. Major Questions? How old is the Earth? How did it form? Was it created? Did it evolve? What processes were involved?
II. Why Do We Study Fossils Found in Rocks? I.What is a Fossil? A. Definition: The evidence or remains of once-living plants or animals A.To provide evidence.
Systematics and Phylogeny Chapter 25 BCOR 012 March 19 and 21, 2007.
Geology
Material: Gwen Raitt BCB 341: Principles of Conservation Biology.
Descent With Modification: a Darwinian View of Life
David Barrington’s Lectures in Biology 2, 2004
What are fossils? The remains, imprints or traces of an organism that lived long ago. Preserved in rock. – Typically sedimentary rock – Must be buried.
Chapter 16. From the 1600s on, geologists began mapping layers of rocks at sites where there were deep cuts in the earth. They found similar layers.
The History of Earth and Life
