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lesson 10.1

lesson 10.2

lesson 10.3

lesson 10.4

lesson 10.5

 

 

CHAPTER 10: The Theory of Evolution


10.1 VARIATION AND ADAPTATION

Birds & DNA: Convergent Evolution
Take a look at this page to discover how classifying birds on appearance alone can lead scientists in the wrong direction.

Biodiversity
This Web site from the World Resources Institute offers links on a variety of subjects from genetic diversity and forest resources to the Endagered Species Act and Conservation Guidelines.

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10.2 DARWIN AND HIS THEORY

The Origin of Species
Read the book that started it all! Charles Darwin's book in its entirety is presented on this site.

Evolution: Theory and History
Dozens of people paved the way for Darwin's theory, and countless others have expanded on it. Here are the profiles of some of Darwin's contemporaries as well as a few thinkers who preceded and followed him through history.

The Spice Islands Voyage
Naturalist Alfred Russel Wallace hit upon the idea of natural selection at about the same time Darwin did. Retrace his inspirational journey through Southeast Asia at this Web site. The background section has a few excerpts from Wallace's book The Malay Archipelago.


Darwin's Theory of Evolution by Natural Selection
These lecture notes from the University of Arizona describe the thinkers who influenced Darwin's theory as well as real-life instances of natural selection.

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10.3 TRACKING CHANGES

Morphing Embryos
The Nova special "Odyssey of Life" gave us all a look at something we don't get to watch every day--embryological development. Here are video clips from this ground-breaking documentary of human, pig, chicken, and fish development.

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10.4 ORIGIN OF SPECIES

Score One for Punk Eek
Read this article from Scientific American on how bacteria pushed through the human equivalent of 60,000 years of evolution and struck a blow for the theory of punctuated equilibrium.

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10.5 POPULATION GENETICS

Hardy-Weinburg Equilibrium Simulator
This simulator shows how allele frequencies are affected by genotype survival rates, initial allele percentage, population size, and time. Play with the parameters to generate graphs of different situations.

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Unit 3 Index

Learning Links
Chapter 10 || Chapter 11 || Chapter 12 || Chapter 13

In the News || Link and Think
Spotlight on Careers || Teachers' Lounge

In the Community
Chapter 10 || Chapter 11 || Chapter 12 || Chapter 13

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