Increased survival of population within environment

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Reference no: EM133934930

Question

1. Fifty sea otters remained in California after being hunted for decades. Three of the fifty were eaten by killer whales, reducing the population to forty-seven. The loss of the three is an example of which type of genetic drift?

A. chance

B. bottleneck

C. founder effect

2. Which one of the following generally results in increased survival of the population within the environment?

A. sexual selection

B. artificial selection

C. assortative mating

D. genetic drift

E. natural selection

3. Which one of the following crosses would you expect to produce viable (living and fertile) offspring?

A. sheep x goat

B. apple tree x apple tree

C. bacteria x amoeba

D. lion x tiger

E. rose bush x orange tree

4. Suppose your friend convinces you to buy a bunch of mules and begin a breeding program with them. Why are you unlikely to see a return on your investment?

A. What are you talking about, I will totally make a profit

B. hybrid inviability will prevent the mules from successfully reproducing

C. hybrid breakdown will prevent the mules from successfully reproducing

D. hybrid infertility will prevent the mules from successfully reproducing

5. The following example describes which type of prefertilization barrier?

One bird displays for a mate by building an elaborate nest site, while the other does an elaborate dance.

A. mechanical

B. spatial

C. temporal

D. behavioral

E. gamete incompability

6. Identify the type of selection in this example, " A female bower bird selects her mate based on the quality of his nest."

A. natural selection

B. artificial selection

C. sexual selection

D. assortative mating

Reference no: EM133934930

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