Wednesday, February 4, 2009

Retest Opportunity: Chapter 19 & 20 Test

If you would like to have a retest where your grade from the original test will be averaged with this essay you may do so. Please turn in this essay question to me no later than Friday Feb. 13th!
You can place it in my box or email it to me - thank you.

a. Explain Charles Darwin's theory of evolution by natural selection.

b. Each of the following refers to one aspect of evolution. Explain each in terms of natural selection.

1. Convergent evolution and the similarities among species in a particular biome.
2. Insecticide resistance.
3. Speciation and isolation.
4. Heterozgyote advantage.


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