Lec30 04_07_08 Fossils and evoution

Lec30 04_07_08 Fossils and evoution - Lecture 30 Fossils...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 30. Fossils and evolution April 7, 2008 See Chapters 20 in Cheung, Fundamental Concepts in Biology Outline Dinosaurs The Cambrian explosion Evolutionary arms race
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Sue Excavation
Background image of page 2
Sue Bone Extraction Sue Bone Extraction Restoration
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Assembly
Background image of page 4
Sue in Field Museum
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Discovery of Dinosaurs 1822 by Gideon Mantel – Iguanodon 1842: Richard Owen Dinosaur (fearsome lizard) Bone War: 1860s – 1890s Montana and Wyoming 150 new dinosaur species Currently 527 genera On every continent Existed 230 – 65 mya
Background image of page 6
Types of Fossils Replacement – replaced with another mineral. Compression fossils – chemical change of organic molecules Trace fossils – trackways, droppings, etc Resin fossils – captured in resin deposit Living fossils – resembles a known fossil Pseudo fossils – naturally occurring rock pattern
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 32

Lec30 04_07_08 Fossils and evoution - Lecture 30 Fossils...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online