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Biology 11
Chap 14
Pg 304-309
Section 14-4 Review Questions
Name: ______________
Date: _______________
Block: _____
1. What is a niche How do niches contribute to speciation
2. How are speciation and reproductive isolation related
3. What is adaptive radiation Explain how Darwin’s Finches illustrate
this process.
4. The first species to reach a newly formed volcanic island often
undergoes an adaptive radiation. Explain this how/why this occurs.
Biology 11
Section 14-5 Review Questions
1. What is genetic drift How does genetic drift affect a gene pool
2. What three factors can cause an increase in the rate of evolution of
a species
3. Describe the theory of punctuated equilibria.
b) What do each of the following graphs represent?
4. Give one example of sexual selection that occurs in nature. Explain
the benefits and risk associated with this example.