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A mutation that results in the death of the individual is called


A) a beneficial mutation.
B) a lethal mutation.
C) a random mutation.
D) a spontaneous mutation.
E) a neutral mutation.

F) None of the above
G) A) and B)

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In a population of rabbits,some evolve the ability to outrun foxes.This is an example of ____ selection.


A) directional
B) stabilizing
C) disruptive
D) mutational
E) restricted

F) B) and C)
G) A) and D)

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Rats not resistant to the effects of warfarin do not have enough of which of the following vitamins?


A) A
B) B12
C) C
D) E
E) K

F) A) and B)
G) B) and C)

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A small population of Dutch settled in South Africa in the 17th century and became known as Afrikaners.By chance,a few Dutch settlers carried the gene for Huntington's disease.Today Huntington's disease occurs at a relatively high frequency in this population.This is an example of


A) the bottleneck effect.
B) the founder effect.
C) gene flow.
D) the Red Queen effect.
E) natural selection.

F) None of the above
G) A) and B)

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Match the evolutionary concepts correctly with the descriptions or examples of the concepts.Matches are not necessarily equal. a.exaptation g.directional selection b.ecological isolation h.disruptive selection c.mechanical isolation i.genetic drift d.behavioral isolation j.founder effect e.sexual selection k.gene flow f.temporal isolation -the genitals of snakes are analogous to a lock and key mechanism- the "keys' will only fit in certain "locks"

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Which of the following is most likely the result of a neutral mutation?


A) fingerprint patterns
B) larger brains
C) standing upright
D) digestion of cellulose
E) fur

F) All of the above
G) None of the above

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In the work that they do,a person who studies phylogeny is most like a


A) police detective.
B) medical doctor.
C) carpenter.
D) college professor.
E) real estate agent.

F) A) and B)
G) All of the above

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The principle of parsimony states that


A) the simplest pathway is most likely correct.
B) complexity is the key to truth.
C) the more members there are in the clade, the more likely it is a true clade.
D) derived characters are those shared by ancestral groupings.
E) most answers are incorrect.

F) D) and E)
G) A) and D)

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If a population speciates in the absence of a physical barrier it is known as


A) sympatric speciation.
B) disruptive selection.
C) directional selection.
D) hybrid sterility.
E) allopatric speciation.

F) A) and B)
G) A) and C)

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Which of the conditions necessary to maintain genetic equilibrium is the least likely to occur in a natural population?


A) no mutations
B) an infinitely large population
C) a population isolated from other populations
D) random mating
E) all individuals producing the same number of offspring

F) A) and C)
G) B) and E)

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When individuals choose mates are a particular trait they desire it is called


A) stabilizing selection.
B) sexual selection.
C) artificial selection.
D) Red Queen selection.
E) disruptive selection.

F) A) and B)
G) A) and E)

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Many male birds will expend a great deal of energy building nests.Females will mate with the males who build the best nests.This is best described as an example of


A) natural selection.
B) sexual selection.
C) runaway selection.
D) the Red Queen effect.
E) disruptive selection.

F) B) and E)
G) C) and D)

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When allele frequency changes,a population is said to no longer be in


A) genetic equilibrium.
B) isolation.
C) upheaval.
D) fluctuation.
E) transition.

F) B) and D)
G) A) and B)

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Which of the following is NOT a condition of genetic equilibrium in a population?


A) no mutations in the population
B) the population is small
C) the population is isolated
D) mating is random
E) all of these ARE conditions of genetic equilibrium in a population

F) B) and E)
G) C) and D)

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Classification.The statements relate to taxonomy.For each one,select the best choice from the following terms. a.character b.clade c.cladistics d.evolutionary tree e.monophyletic group f.phylogeny g.sister groups h.cladogram i.taxon -evolutionary history of a species

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In early evolutionary history,primitive fishes had lungs that eventually evolved into the lungs of terrestrial organisms and the gas bladders of modern fishes who use gills,not lungs,for oxygen/ carbon dioxide gas exchange.This is an example of


A) adaptive radiation.
B) exaptation.
C) sympatric speciation.
D) allopatric speciation.
E) temporal isolation.

F) C) and D)
G) C) and E)

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