Mechanisms of Evolution True or False

1.	Selection occurring when the mean of a population phenotype is favored is -> Disruptive True False
2.	Which of the following best describes all the genes in a population? -> Gene pool True False
3.	Why is sympatric speciation less common than allopatric speciation? -> Not all species migrate. True False
4.	Which of the following causes microevolution? -> All of the above True False
5.	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? -> 70% True False
6.	Genetic flow is sometimes caused by -> Migration True False
7.	Which of the following best describes two bear populations exchanging genes? -> Genotype True False
8.	When does the Hardy-Weinberg principle apply? -> When a species diverges into two species True False
9.	Which of the following situations could lead to the founder effect in a woodpecker population? -> Deforestation True False
10.	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? -> Speciation True False

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