Natural Selection Webquest
Name_________________________
TRACKSTAR #419715
Date __________________ Period _______
Go to each of these websites. Once there, read the material to discover information about Natural Selection.
Site 1: http://www.biology-online.org/2/10_natural_selection.htm
1. Who was Charles Darwin? What is he known for?
2. What does the phrase "survival of the fittest" mean?
Site 2: http://www.biology-online.org/2/11_natural_selection.htm
3. Which part of the finch has changed over time?
4. For each of these diagrams, write what type of food the beak shape is best suited for.
a. ______________
b. ____________
c. _____________
d. ________________
5. Explain how industrial melanism has affected moths.
Site 3: http://www.experiment-resources.com/darwins-finches.html
Read the first two sections "Darwin's Finches" and "The Galapagos Islands"
8. Did Darwin first believe that each finch he found was a different species? Was he right or wrong?
9. How did organisms arrive at the Galapagos Islands?
Site 4: http://www.biology-online.org/2/12_selective_breeding.htm
6. Why is selective breeding useful to farmers?
7. What does it mean to selectively breed an organism?
Site 5: http://www.alleghany.k12.va.us/animal%20adaptation%20webpage/animal_mimicry.htm
10. What is mimicry? How does mimicry benefit an organism?
Site 6: http://ngm.nationalgeographic.com/2009/08/mimicry/mimicry-interactive
Look at the images in the slideshow. Click on the organisms that are hiding in plain sight.
11. Give three examples of mimicry.
Site 7:
https://b51ab7d9e5e1e7063dcb70cee5c33cf7f4b7bad8.googledrive.com/host/0Bx6hk6AUBHxDc2d4TDJZTFI
yMGs/files/Bio%20101/Bio%20101%20Lectures/Natural%20Selection/natural.htm
Read the first 3 sections (stop when you get to variation).
12. Does natural selection act on individuals or does it act on something else? Explain this.
13. What are the 4 reasons that natural selection occurs?
1. ________________________________________________________________________
2. ________________________________________________________________________
3. ________________________________________________________________________
4. ________________________________________________________________________
Site 8: http://www.pbs.org/wgbh/evolution/library/01/5/l_015_02.html
14. Why are there so many breeds of dogs?
15. All dogs are of a single species, regardless of what they look like. They are all descended from what
animal? Give the scientific and common names.
Scientific ____________________________________ Common _________________________________
Site 9: Natural Selection Game:
Read the directions for the interactive website before playing.
http://www.sciencechannel.com/games-and-interactives/charles-darwin-game.htm
How long did you survive? What caused your species to become extinct?
Site 10: “Survival of the Sneakiest” http://evolution.berkeley.edu/evolibrary/article/0_0_0/sneakermales_01
Read the comic and answer the four questions below.
1. When it comes to crickets, what does fitness mean?
2. Is calling good or bad for a cricket's fitness?
3. Give some examples of selection at work in this cricket story.
4. How does selection favor calling? How does selection favor not calling?