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Bio Final

QuestionAnswer
Natural selection can only act on traits: that are heritable.
What is the difference between artificial selection and natural selection? Artificial selection requires human intervention, whereas natural selection does not require human intervention.
Which of the following is the best measure of an organism's fitness? the number of fertile offspring it produces
Natural selection decreases genetic variability in a population. This statement is: sometimes correct, especially in cases of stabilizing selection
Under the right conditions, which type of selection is most likely to lead to the formation of new species? disruptive
Genetic drift will have the greatest effects for populations: that are very small.
A gene pool consists of All of the above are correct.
During gene flow, where do the genes flow to? The genes flow into and out of the population due to migration of individuals from one population to another.
Radioactive isotopes emit high-energy particles that can damage DNA. These substances are known as: mutagens.
Created by: 1335570322
 

 



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