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That mammals first came to Europe less than 15 million years ago

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That mammals first came to Europe less than 15 million years ago  [#permalink]

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New post 30 Dec 2017, 22:52
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That mammals first came to Europe less than 15 million years ago, through what is now Egypt, into West Europe was an accepted tenet of paleontology. But paleontologists now theorize that mammals came to East Europe first, after migrating across modern-day Asia, and then spread westward, based on recent excavations of mammal remains in East Europe dating from 27 million years ago.

Which of the following, if it were discovered, would be pertinent evidence against the new theory?

A. Signs of mammal presence 14 million years ago were found in excavations near Germany.
B. Some evidence of mammal occupation in West Europe areas predates any such evidence in areas in East Europe.
C. The oldest known West Europe mammal habitat had a cooler climate than the 27-million-year-old East European site.
D. The mammal habitat in East Europe that was used 27 million years ago was used continuously until 6 million years ago.
E. World sea levels lowered dramatically during the first Ice Age, between 11 million and 15 million years ago.

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Re: That mammals first came to Europe less than 15 million years ago  [#permalink]

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New post 06 Jan 2018, 07:28
gmatFalcon wrote:
That mammals first came to Europe less than 15 million years ago, through what is now Egypt, into West Europe was an accepted tenet of paleontology. But paleontologists now theorize that mammals came to East Europe first, after migrating across modern-day Asia, and then spread westward, based on recent excavations of mammal remains in East Europe dating from 27 million years ago.

Which of the following, if it were discovered, would be pertinent evidence against the new theory?

A. Signs of mammal presence 14 million years ago were found in excavations near Germany.
B. Some evidence of mammal occupation in West Europe areas predates any such evidence in areas in East Europe.
C. The oldest known West Europe mammal habitat had a cooler climate than the 27-million-year-old East European site.
D. The mammal habitat in East Europe that was used 27 million years ago was used continuously until 6 million years ago.
E. World sea levels lowered dramatically during the first Ice Age, between 11 million and 15 million years ago.


A - 15 million years are already given for west Europe so no additional information. - Eliminate
B - Correct answer- such evidence will work against the new theory
C - It supports the given theory as such.
D - Irrelevant - We are interested only in starting age of habitat.
E - No mention about 27 million years ago habitat so not relevant.
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Re: That mammals first came to Europe less than 15 million years ago  [#permalink]

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New post 06 Jan 2018, 13:40
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That mammals first came to Europe less than 15 million years ago, through what is now Egypt, into West Europe was an accepted tenet of paleontology. But paleontologists now theorize that mammals came to East Europe first, after migrating across modern-day Asia, and then spread westward, based on recent excavations of mammal remains in East Europe dating from 27 million years ago.

Which of the following, if it were discovered, would be pertinent evidence against the new theory?

A. Signs of mammal presence 14 million years ago were found in excavations near Germany. -This neither strengthens nor weakens the conclusion
B. Some evidence of mammal occupation in West Europe areas predates any such evidence in areas in East Europe. -Correct. If such an evidence is found, then we can say that mammals came to west first.
C. The oldest known West Europe mammal habitat had a cooler climate than the 27-million-year-old East European site. -Information on the climate of habitat is out of scope
D. The mammal habitat in East Europe that was used 27 million years ago was used continuously until 6 million years ago. -This would strengthen the argument, since it talks about the usage of site present in the East 27 million years ago.
E. World sea levels lowered dramatically during the first Ice Age, between 11 million and 15 million years ago. -Out of scope
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Re: That mammals first came to Europe less than 15 million years ago  [#permalink]

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New post 18 Sep 2019, 22:18
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: That mammals first came to Europe less than 15 million years ago   [#permalink] 18 Sep 2019, 22:18
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