Question: What is artificial selection?

Answer:

Question: Which of the following would cause gene flow?

Answer: Individuals moving out of a population

Question: When is genetic drift a major factor in evolution?

Answer:

Question: What causes genetic drift?

Answer:

Question: What do stabilizing selection and disruptive selection have in common?

Answer: They both decrease genetic variation.

Question: Under which condition would a mutation have the most impact on allele frequency?

Answer:

Question: A flood kills most of the population of ants that live near a river. After the flood, the ant population increases, but its allele frequency is different. What type of situation is this?

Answer:

Question: Which tends to increase genetic variation in a population?

Answer: Mutation

Question: In a species of bird, the males compete to try to fertilize the females. Which trait would you expect these birds to have?

Answer: Males that are much larger than females

Question: The curve on the left shows the height of a population of penguins. The curve on the right shows the population five years later. What has happened to this population?

Answer: