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Internet Exercises


Evolution is a Fact and a Theory (from Talk.Origins)
a. What is a fact? What is a theory?

b. In what ways is evolution a fact?

c. In what ways is evolution a theory?


( http://www.talkorigins.org/faqs/evolution-fact.html )
How Evolution Works
a. What explanation is given for how E-coli bacteria can become antibiotic resistant?

b. What causes mutations?

c. What explanation is given for how whales evolved into sea creatures?


( http://www.howstuffworks.com/evolution.htm )
Natural selection (from Talk.Origins)
a. Explain the statement made in the article that “Evolution is not progress.”

b. What is the importance of variation?

c. How do complex traits evolve?

d. What are some of the common misconceptions about natural selection?


( http://www.talkorigins.org/faqs/faq-intro-to-biology.html )
Observed instances of speciation (from Talk.Origins)
a. What are the different definitions of what a species is?

b. What evidence is necessary to show that a change produced in a population of organisms constitutes a speciation event?

c. Discuss two examples of speciation events that are discussed on the site.


( http://www.talkorigins.org/faqs/faq-speciation.html )
Adaptive radiation in Darwin’s finches
a. What happens on the mainland over time?

b. What happens on each of the islands over time?

c. What environmental factors were important?


( http://www.pbs.org/wgbh/evolution/darwin/origin/ )
Punctuated Equilibrium at 20
a. How did the idea of allopatric speciation impact the idea of punctuated equilibrium?

b. What evidence is there that supports the idea of punctuated equilibrium?

c. Why were biologists surprised to find that many species had long periods of stasis?

d. Explain the idea of “species sorting.”


( http://www.skeptic.com/01.3.prothero-punc-eq.html )
Evolutionary Psychology
a. What is evolutionary psychology?

b. What assumptions is evolutionary psychology based on?

c. What are examples of the topics that evolutionary psychology addresses?


( http://www.evoyage.com/ )







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