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- 1. Multiple Choice
A random change in allele frequencies over generations brought about by chance.
genetic drift
gene flow
- 2. Multiple Choice
Cockroaches becoming increasingly resistant to pesticides is an example of
disruptive selection
genetic drift
directional selection
stabilizing selection
- 3. Multiple Choice
Mutations are random while natural selection is NOT
True
False
- 4. Multiple Choice
Emigration
genetic drift
gene flow
- 5. Multiple Choice
When allele frequencies change due to individuals leaving a population
genetic drift
gene flow
- 6. Multiple Choice
Founder effect and bottlenecks are two extreme cases
genetic drift
gene flow
- 7. Multiple Choice
Blue Jays introduce new alleles to oak forests as they make hundreds of round trips carrying acorns from oak trees a mile away to new soil in their home territory for winter.
genetic drift
gene flow.
- 8. Multiple Choice
Genetic fitness means that an organism's ability to do what is high?
lift weights really well
reproduce effectively
attract other members of their species
survive environmental disasters
- 9. Multiple Choice
Microevolution happens in
species
individuals
populations
households
- 10. Multiple Choice
Natural selection requires ______________ to happen in a population.
hundreds of years
variation
low genetic fitness
high genetic fitness
- 11. Multiple Choice
_______________ is also required for natural selection to occur.
Lack of resources
Multiple species
Competition for resources
Darwin
- 12. Multiple Choice
Phenotypic forms at both ends of the range are favored and the intermediate forms are selected against.
directional selection
stabilizing selection
disruptive selection
- 13. Multiple Choice
May result when heterozygotes are selected AGAINST.
directional selection
stabilizing selection
disruptive selection
- 14. Multiple Choice
T5. What does the image represent?Founder effectBottleneck effectMutationNatural Selection - 15. Multiple Choice
What type of selection is depicted in the picture where one phenotype is favored?
stabilizing
directional
disruptive
- 16. Multiple Choice
What type of selection is shown in the image?
Stabilising
Directional
Disruptive
- 17. Multiple Choice
What type of selection is shown in the image?
Stabilising
Directional
Disruptive
- Answer choicesTagsAnswer choicesTags