Natural selection

Created March 2020, Offline version here
Video by Paul Anderson, also on his website Bozeman Science.


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1. What type of natural selection selects for individuals displaying the two extreme phenotypes?
2. What is the general size of a population that is in Hardy-Weinberg Equilibrium?
3. What about an organism determines the ability of an organism to survive and produce successful offspring?
4. What is the smaller population known as over time after it becomes isolated from a bigger population due to chance?
5. What happens to variation in a population that has experienced genetic drift?
6. What type of allele is the variable ‘q’ in the Hardy-Weinberg Equation?
7. What type of study helps provide evidence for evolution by studying related species found close to each other?
8. True or False: A population that is in a Hardy-Weinberg Equilibrium undergoes natural selection.
9. True or False: Populations evolve, individuals do not.
10. During the reproductive season, what does not lead to evolution by natural selection?
11. What type of allele is the variable ‘pq’ in the Hardy-Weinberg Equation?
12. What happens to the allele frequency in a Hardy-Weinberg Equilibrium?
13. What is one process in all life that points to the notion that they share common ancestry?
14. What is the drastic decrease in a population due to chance, leading to a decrease in genetic variation?
15. What causes genetic drift?
16. What is the most useful piece of evidence of evolution that scientists compare among organisms?
17. A student notices the intermediate size toad is most common in a local pond. What type of natural selection is this?
18. What do you call the change in allele frequencies in a population due to chance?
19. As per Darwin, what is the differential reproductive success of individuals with particular variations known as?
20. What is an alternate form of a gene and would cause a disbalance in the Hardy-Weinberg Equilibrium?