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Evolution Internet Scavenger

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Part 1: Scientific Laws and Theories

 http://www.wilstar.com/theories.htm

1. True or false…explain your answer. “Theory” means the same to a scientists as to a regular person?

Define these three words:

2. Scientific Law

3. Hypothesis:

4. Scientific Theory

5. What do laws and theories have in common, in the scientific community?

6. What’s the biggest difference between a law and a theory in science?

Part 2: Comparing micro- and macroevolution

Go to: http://evolution.berkeley.edu/

 click on microevolution

 Evolution at different scales: Micro to macro

 click through the presentation (like PowerPoint)

7. Differentiate between microevolution and macroevolution, in general.

8. What is microevolution (specifically) and give an example.

9. Describe how microevolution can lead to macroevolution.

10. What is macroevolution?

11. Describe these terms associated with macroevolution and give an example: a. stasis b. speciation c. extinction

Part 3: Theories of evolution:

Go to: http://evolution.berkeley.edu/

 click on What is the history of evolutionary theory?

 Jean Baptiste Lamarck: Early concepts of evolution and Darwin and

Wallace: Natural selection

 click through the presentation (like PowerPoint)

Lamarck:

12. When did Lamarck introduce his theory? What was his job at the time?

13. There were two parts to his theory; change through….. organisms are driven from….

14. Compare/contrast Lamarck’s theory with Darwin’s

15. Karl von Baer also lent proof to a theory of evolution. What did he do?

Darwin/Wallace:

16. When did Darwin publish his theory of evolution, and what was the name of the book?

17. What other author did Darwin and Wallace get their ideas fro and what did he write about?

18. Wallace’s ideas add proof to the Theory of Evolution by natural Selection through a process called biogeography. What is this and give an example?

19. Did Darwin write about human evolution?

20. What were the first human ancestor fossils found? Where and when?

21. What did Darwin say was another influence on human evolution, after the discovery of human skulls?

22. What were the second human ancestor fossils found? Where and when?

23. How many different human ancestors have been found, and what is the oldest?

Part 4: Homology/analogy: evolution applied

Go to: http://evolution.berkeley.edu/

 click on What is the evidence for evolution?

 Similarities and differences: Understanding homology and analogy

 click through the presentation (like PowerPoint)

24. How do homology and analogy relate to convergent and divergent evolution?

25. How do tetrapod limbs show homology? What do they have in common?

26. Explain/illustrate how homologous structures show relationship to a common ancestor.

27. What is an analogous structure? Give examples.

28. Describe how do analogous structures evolve?

29. What three criteria are used to decide if something is homologous or analogous?

Part 5: Example of evolution in action…bacteria.

Go to: http://evolution.berkeley.edu/

 click on microevolution

 Battling bacterial evolution

 click through the presentation (like PowerPoint)

30. What is an antibiotic? Give an example.

31. How much does researching new antibiotics cost the US each year?

32. What other problems do resistant strains of bacteria cause?

33. Describe/illustrate how bacteria become resistant to drugs.

34. Describe what cycling is and how it combats resistance.

Part 6: Videos

Go to: http://www.pbs.org/wgbh/evolution/educators/teachstuds/svideos.html

 click on each of the movies below, watch and answer the questions

 watch the QuickTime versions of the movies. Be patient, they may take a while to load.

Video 1:

35. Is it correct to say that evolution is “just a theory?” Is gravity “just a theory?”

Explain your answer.

Video 3:

36. Describe what transition fossils are and how they show the evolution of the whale.

Video 4:

37. Describe what natural selection is and how it is seen in hummingbird populations.

Video 7:

38. Many mainstream religions (including Catholicism) do not find a conflict between evolution and faith. Describe how a person can reconcile what the Bible says with scientific theory.

Just for fun: videos 5 and 6 are pretty cool and explain a little more about human evolution and evolution in action (parts 4 and 2). http://evolution.berkeley.edu/ does too. Click on Becoming Human.

Just for fun: play the peppered moth game at: http://www.biologycorner.com/worksheets/pepperedmoth.html

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