Download Evidence for Evolution Webquest

Evidence for Evolution Webquest
Fossils
1.
What is a fossil?
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Watch: http://ed.ted.com/lessons/how-to-fossilize-yourselfphoebe-a-cohen
Look at:
http://teacher.scholastic.com/scholasticnews/magazines/sciencewor
ld/assets/SW-POWERPOINT-FOSSILS.ppt
2. What are three ways an organism can fossilize?
1.
2.
3.
Interactivity:
http://www.burkemuseum.org/static/burke_boxes_materials/fossils/int
eractive/01_fossils.html
 Click “Enter”
 Click “Build a Mammoth”
3. Compare the bones of the mammoth to the bones of the horse
in the lower left corner. How can fossils help us understand
the evolution of a species?
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Homologous Structures
Interactivity:
http://evolution.berkeley.edu/evolibrary/article/similarity_ms_01
4.
Define homology:
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Complete the interactive “The tale of the limb.” Take a look at the
diagrams of front limbs presented on the webpage. Each is from a
different animal. In each grouping you see, you should select the
limb that doesn't belong, and take note of the similarities that the
others share.
3. Animals with four legs are called ______________________.
4. List the similarities that tetrapod limbs share:
A.
B.
5. Complete the interactive. Name the four organisms the tetrapod
homologous limbs belong to:
A.
C.
B.
D.
6. Why do whales, lizards, humans, and birds have the same basic
limb structures?
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7. What does an evolutionary tree show?
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8. What are homologous structures?
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9. List examples of homologous structures found in nature.
A.
C.
B.
D.
10. Use BEYOND THE OBVIOUS page to answer the following
question. Do all homologous structures look alike? Why or Why not?
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Analyzing Amino Acid Sequences
*Go to my webpage.
*Under class notes click on “Analyzing Amino Acid Sequences.”
11. What is the purpose of analyzing amino acid sequences?
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12. How is this method of determine evolutionary relationships
different than the ones we have talked about so far
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13. Click on the next slide and determine how many differences exist
between a human and a shark for this particular protein. ___________
14. How many differences exist between the human and monkey? ___
Watch: https://www.youtube.com/watch?v=lIEoO5KdPvg
List additional evidence for evolution here:
1.____________________________________________________
2.____________________________________________________
3.____________________________________________________
4.____________________________________________________
5.____________________________________________________