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Post-Test
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1
A group of related organisms that share a distinctive form is most accurately referred to as a(n))
A)species.
B)community.
C)genus.
D)ecosystem.
E)population.
2
Which one of the following has contributed to the current theory of evolution?
A)Comparison of similar anatomical features in different species
B)Studies of the fossil record
C)Selective breeding experiments
D)Distribution of living organisms on the planet
E)All of the choices have contributed to the current theory of evolution.
3
Two or more copies of paralogous genes found within a species is most accurately referred to as
A)paralogs.
B)homologs.
C)gene families.
D)orthologs.
E)analogs.
4
The idea that changes in the Earth are directly caused by recurring events is most accurately referred to as
A)uniformitarianism.
B)natural selection.
C)inheritance of acquired characteristics.
D)catastrophism.
E)None of the choices accurately describe the idea that changes in the Earth are directly caused by recurring events.
5
Which one of the following statements accurately represents one of Malthus' conclusions in Essay on the Principle of Population?
A)The human population size can theoretically increase exponentially, but realistically can only increase linearly at best.
B)Limits to human population size come from environmental factors like droughts as well as human influenced factors like war.
C)Only a fraction of any population will survive and reproduce.
D)The human population size can theoretically increase exponentially, but realistically can only increase linearly at best and Limits to human population size come from environmental factors like droughts as well as human influenced factors like war.
E)The human population size can theoretically increase exponentially, but realistically can only increase linearly at best and Limits to human population size come from environmental factors like droughts as well as human influenced factors like war and Only a fraction of any population will survive and reproduce.
6
Which one of the following types of finches do not have a probing beak?
A)Woodpecker
B)Warbler
C)Cactus
D)Vegetarian
E)Mangrove
7
True or False: According to Darwin, evolution occurs from generation to generation due to genetic variation and natural selection.
A)True
B)False
8
An organism displaying intermediate traits between its ancestral form and the form of its descendents is most accurately referred to as a/an
A)intermediate.
B)missing link.
C)transitional form.
D)derivative.
E)symbiont.
9
The fossil record has illustrated evolutionary changes in which one of the following aspects of modern horses?
A)Tooth morphology
B)Mental capacity
C)Hoof anatomy
D)Tooth morphology and hoof anatomy
E)Tooth morphology, mental capacity, and hoof anatomy
10
Which one of the following statements about endemic populations is correct?
A)Endemic populations are seldom found in island settings.
B)Most endemic island species have closely related relatives on nearby islands or the mainland.
C)Only airborne species or species capable of swimming have given rise to endemic populations.
D)Endemic island populations typically increase in size over many generations.
E)All of the statements about endemic populations are correct.
11
True or False: Marsupials such as kangaroos evolved in relative isolation on the Australian continent and are typically not encountered on other continents.
A)True
B)False
12
Which of the following is not a result of convergent evolution?
A)The variation in dog breeds.
B)The giant anteater in South America and the echidna in Australia both developed long tongues and snouts.
C)Aerial root etd in English Ivy and wintercreeper vines.
D)Production of antifreeze proteins by fish in Antarctica and the Arctic.
E)All of the choices are examples of convergent evolution
13
Selective breeding of domesticated animals is an example of
A)convergent selection.
B)natural selection.
C)artificial selection.
D)divergent selection.
E)endemic selection.
14
True or False: Brocciflower is a result of selective breeding between two artificially selected descendents of the wild mustard plant.
A)True
B)False
15
Anatomical features that have no apparent function but resemble structures of presumed ancestors are most accurately referred to as _______________ structures.
A)homologous
B)adaptive
C)analogous
D)vestigial
E)orthologous
16
True or False: Certain genes are found in a diverse array of species, and the percent identity in those sequences is typically the same when all of those species are examined.
A)True
B)False
17
Which of the following could contribute to the creation of new genes?
A)exon shuffling
B)transposable elements
C)duplication and rearrangement of exons
D)Exon shuffling and transposable elements
E)Exon shuffling, transposable elements ,and duplication and rearrangement of exons
18
Which of the following is not a result of horizontal gene transfer in prokaryotes?
A)Antibiotic resistance
B)Pathogenicity
C)Toxic compound degradation
D)Increased reproduction
E)All of the choices may be the result of horizontal gene transfer in prokaryotes.
19
Exon shuffling is an example of ________________; the incorporation of a bacterial gene into a eukaryotic genome prior to destruction of the bacterial cell is an example of ________________.
A)vertical evolution; horizontal gene transfer
B)vertical evolution; endosymbiosis
C)gene duplication; gene transfer
D)gene transfer; gene duplication
E)transduction; transformation
20
True or False: Two species with approximately the same number of genes will have those genes in roughly the same location on the same number of chromosomes.
A)True
B)False





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