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# Over the last century, Paleontologists have used small

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Joined: 22 Feb 2004
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Over the last century, Paleontologists have used small [#permalink]

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13 Oct 2004, 07:41
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45. Over the last century, Paleontologists have used small difference between fossil specimens to classify triceratops into sixteen species. This classification is unjustified, however, since the specimens used to distinguish eleven of species come from animals that lived in the same area at the same time.

Which of the following, if true, would able the conclusion of argument to be properly drown?

A) Not every species that lived in a given area is preserved as a fossil.
B) At least one individual of every true species of triceratops has been discovered as a fossil specimen.
C) No geographical area ever supports more than three similar species at the same time.
D) In many species, individuals display quite marked variation.
E) Differences between fossil specimens of triceratops that came from the same area are no less distinctive than differences between specimens that came from different area.
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13 Oct 2004, 08:23
C for me

if C is true than,

triceratops cannot be classified into more than 3 species by using the specimens of animals that lived in the same area at the same time

therefore classifying triceratops into 11 species from the specimens of animals that lived in the same area at the same time is unjustified
becoz there were never more than 3 types of triceratops in that area at the same time

whats the OA?
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13 Oct 2004, 17:13
Yes, OA is C.
13 Oct 2004, 17:13
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