Mechanisms of Evolution
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Mechanisms of Evolution: I'm a Survivor, I Keep on Surviving Quiz
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Q. Selection occurring when the mean of a population phenotype is favored is
Q. Which of the following best describes all the genes in a population?
Q. Why is sympatric speciation less common than allopatric speciation?
Most populations are reproductively isolated.
Most organisms are favored for the extreme phenotypes of a population.
Not all species migrate.
Most populations are not geographically isolated.
All of the above are reasons
Q. Which of the following causes microevolution?
All of the above
Q. For a population of ferns, there are two alleles for a gene that distinguishes height. Forty percent of gametes in the population have a gene that gives a taller plant. What percent of the gametes in the population have the second allele for a shorter plant?
Q. Genetic flow is sometimes caused by
All of the above
Q. Which of the following best describes two bear populations exchanging genes?
Q. When does the Hardy-Weinberg principle apply?
When allelic frequencies are changing
During genetic equilibrium and random mating
When natural selection is occurring
When a species diverges into two species
Q. Which of the following situations could lead to the founder effect in a woodpecker population?
Intersexual selection for males with a louder mating call
A few woodpeckers moving to a new section of the habitat
Migration to a new location
Q. A portion of a fruit fly population is now unable to mate with the rest of the fruit flies, but can mate within this new group. What has occurred?