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Pre Test Quiz
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1
Evolution explains the __________ living organisms.
A)similarities between
B)wide variety of
C)interdependence among
D)unity and diversity of
2
Natural selection is the process by which populations become __________ to their environment.
A)adapted
B)isolated
C)resistant
D)immune
3
Fossils are
A)insects trapped in resin.
B)plants pressed into shale.
C)mineralized bones of animals.
D)All of these answers accurately describe fossils.
4
At some point, all vertebrates
A)develop functioning gills.
B)have a postanal tail and paired pharyngeal pouches.
C)develop ears.
D)develop tonsils as well as thymus and parathyroid glands.
5
Which phenomenon provides new alleles, and therefore underlies all other mechanisms that produce variation?
A)random mating
B)speciation
C)mutation
D)microevolution





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