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- 1. Multiple ChoiceGenetic drift is change in the allele frequency of a population due to...random chancenatural selectionnon-random mating (sexual selection)artificial selection
- 2. Multiple ChoiceGenetic Drift is more likely to happen in...aquatic populationssmall populationsterrestrial populationsolder populations
- 3. Multiple ChoiceThis mechanism of evolution occurs when populations migrate.ExtinctionGene flowGenetic driftNatural Selection
- 4. Multiple ChoiceWhich of the following cannot introduce new alleles into a population's gene pool?MutataionNatural selectionGene FlowAll of the above introduce new alleles into the population
- 5. Multiple ChoiceThe process by which organisms change over time is:DiversityDescentEvolutionUnity
- 6. Multiple ChoiceWhat is the name of the process in which the most favorable traits are passed onto the next generation?Genetic driftGene poolGene flowNatural selection
- 7. Multiple Choice
The type of genetic drift that follows the colonization of a new habitat by a small group of individuals is called
the Hardy-Weinberg principle
the founder effect
the bottleneck effect
- 8. Multiple ChoiceInherited trait that helps an organism survive is a(n) __________.FossilAdaptationAncestorNatural selection
- 9. Multiple ChoiceWhich of the following is an example of the bottle neck effect?Bald Eagles are hunted until near extinction, population recovers.Small group of iguanas floats to an island, starts a new population.Red fox pups are more likely to survive in a snowy environment if they are born white.Farmer chooses seeds from largest apples to plant next year. This results in larger apples from year to year.
- 10. Multiple Choice
Bats are common in Texas, especially in rocky regions. Bats with longer hang claws have demonstrated higher fitness because of their ability to cling to rock while resting. This adaptation is becoming more frequent in the population. What mechanism of evolution is this?
Natural Selection
Non-random mating
Gene Flow
Genetic Drift
- 11. Multiple Choice
When Christopher Columbus came to the Americas, he randomly chose 3 chickens from Spain to bring along. These 3 chickens were the only chickens to breed in the Americas for hundreds of years.
Natural selection
Genetic bottleneck
Founder effect
- 12. Multiple Choice
Organisms better adapted to their environment tend to survive and produce more offspring. Their genetic profile becomes more common in the population over time.
Natural selection
Genetic bottleneck
Founder effect
- 13. Multiple Choice
Camouflage allows many species to blend in to their environment. Those individuals with the best camouflage are not eaten by predators as often as those with poorer camouflage.
Natural selection
Genetic bottleneck
Founder effect
- 14. Multiple ChoiceThis mechanism of evolution occurs when populations migrate.ExtinctionGene flowGenetic driftNatural Selection
- 15. Multiple ChoiceWhich of the following is true?Gene pool frequencies do not change as a result of migration in or out of a population.Gene flow occurs only as a result of isolation of a small population.Gene flow can cause new alleles to enter a population's gene pool.Gene flow is due the the selection of the most favorable traits.
- 16. Multiple ChoiceSurvival of the Fittest and Evolution were proposed by what scientist?Charles DarwinAlbert EinsteinSteven HawkingIsaac Newton
- 17. Multiple ChoiceMutations are a change in what?DNAtRNAgenotypephenotype
- 18. Multiple ChoiceMutations are__________HarmfulHarmful or beneficialNeutralHarmful, neutral, or beneficial
- 19. Multiple Choice
Genetic Drift, unlike natural selection, is all up to
camouflage.
chance.
fitness.
evolution
- 20. Multiple Choice
What is a change in an organism that allows for it to survive in its environment?
homologous
vestigial
variation
adaptation
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