It is currently 22 Feb 2018, 08:56

TODAY:

MIT Sloan Releasing 1st Wave of Interview Invites - Join GMATClub CHAT for Live Updates


Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Evaluate Revision: Zoologists warn of an imminent

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Expert Post
2 KUDOS received
MBA Section Director
User avatar
V
Joined: 19 Mar 2012
Posts: 4834
Location: India
GMAT 1: 760 Q50 V42
GPA: 3.8
WE: Marketing (Non-Profit and Government)
Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 25 Feb 2015, 20:23
2
This post received
KUDOS
Expert's post
10
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

67% (02:18) correct 33% (01:34) wrong based on 592 sessions

HideShow timer Statistics

This question is part of the GMAT Club Critical Reasoning : Evaluate Revision Project.

Zoologists warn of an imminent surge in the number of bird species that will become extinct within this century. Nevertheless, these zoologists are wrong. One need only consider the information gathered on native North American raptors, such as bald eagles and peregrine falcons. Several of these species came close to vanishing between 1900 and 1970, but since 1970, the local populations of these raptors have rebounded. The answer to which of the following questions provides information that would be most helpful in evaluating the argument above?

A. How many species of non-native raptors have been introduced into North America since 1970?

B. What special efforts, if any, have been made to rescue native North American raptors since 1970?

C. How many years’ experience do the zoologists have in evaluating patterns of extinction among animals?

D. To what degree have native North American raptors migrated to other parts of the world?

E. How many acres of woodland are set aside each year as bird refuges?
[Reveal] Spoiler: OA

_________________

Have an MBA application Question? ASK ME ANYTHING!

My Stuff: Four Years to 760 | MBA Trends for Indian Applicants

My GMAT Resources
V30-V40: How to do it! | GMATPrep SC | GMATPrep CR | GMATPrep RC | Critical Reasoning Megathread | CR: Numbers and Statistics | CR: Weaken | CR: Strengthen | CR: Assumption | SC: Modifier | SC: Meaning | SC: SV Agreement | RC: Primary Purpose | PS/DS: Numbers and Inequalities | PS/DS: Combinatorics and Coordinates

My MBA Resources
Everything about the MBA Application | Over-Represented MBA woes | Fit Vs Rankings | Low GPA: What you can do | Letter of Recommendation: The Guide | Indian B Schools accepting GMAT score | Why MBA?

My Reviews
Veritas Prep Live Online

Expert Post
1 KUDOS received
Math Expert
User avatar
D
Joined: 02 Aug 2009
Posts: 5660
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 25 Feb 2015, 22:01
1
This post received
KUDOS
Expert's post
souvik101990 wrote:
This question is part of the GMAT Club Critical Reasoning : Evaluate Revision Project.

Zoologists warn of an imminent surge in the number of bird species that will become extinct within this century. Nevertheless, these zoologists are wrong. One need only consider the information gathered on native North American raptors, such as bald eagles and peregrine falcons. Several of these species came close to vanishing between 1900 and 1970, but since 1970, the local populations of these raptors have rebounded. The answer to which of the following questions provides information that would be most helpful in evaluating the argument above?

A. How many species of non-native raptors have been introduced into North America since 1970?

B. What special efforts, if any, have been made to rescue native North American raptors since 1970?

C. How many years’ experience do the zoologists have in evaluating patterns of extinction among animals?

D. To what degree have native North American raptors migrated to other parts of the world?

E. How many acres of woodland are set aside each year as bird refuges?


ans B..
only B gives us the reason to evaluate the argument whether these species rebound on its own or due to some special efforts of the government/ NGOs/any other org
_________________

Absolute modulus :http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html


BANGALORE/-

Intern
Intern
avatar
Joined: 05 Dec 2013
Posts: 30
Reviews Badge
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 26 Feb 2015, 13:39
A. How many species of non-native raptors have been introduced into North America since 1970?
We are concerned about other bird species not non-native raptors -- OUT

B. What special efforts, if any, have been made to rescue native North American raptors since 1970?
If efforts were made...then may be its because of those efforts the population of raptors increased. Are going to adopt same measures for other bird species ? --- Sound good -- Keep -- revisit

C. How many years’ experience do the zoologists have in evaluating patterns of extinction among animals?
LOL -- OUT

D. To what degree have native North American raptors migrated to other parts of the world?
I don't care! -- OUT
E. How many acres of woodland are set aside each year as bird refuges?
Ditto -- OUT

B it is
Manager
Manager
avatar
Joined: 04 Jan 2014
Posts: 100
GMAT ToolKit User
Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 26 Feb 2015, 22:56
Hi Souvik,

We are getting lot of questions for us to practice here fro you. Firstly, thanks for that...

However are these questions really a 700+ level ones? I feel like real GMAT questions of 700+ level will be more subtle... Please help..

Thanks again..

By the way, the answer to the question is B... If efforts were taken that could have been the cause of the rebound...
Non-Human User
User avatar
Joined: 01 Oct 2013
Posts: 10326
Premium Member
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 11 May 2016, 11:28
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).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Board of Directors
User avatar
P
Joined: 17 Jul 2014
Posts: 2730
Location: United States (IL)
Concentration: Finance, Economics
GMAT 1: 650 Q49 V30
GPA: 3.92
WE: General Management (Transportation)
GMAT ToolKit User Premium Member Reviews Badge
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 23 Sep 2016, 06:17
souvik101990 wrote:
This question is part of the GMAT Club Critical Reasoning : Evaluate Revision Project.

Zoologists warn of an imminent surge in the number of bird species that will become extinct within this century. Nevertheless, these zoologists are wrong. One need only consider the information gathered on native North American raptors, such as bald eagles and peregrine falcons. Several of these species came close to vanishing between 1900 and 1970, but since 1970, the local populations of these raptors have rebounded. The answer to which of the following questions provides information that would be most helpful in evaluating the argument above?

A. How many species of non-native raptors have been introduced into North America since 1970?

B. What special efforts, if any, have been made to rescue native North American raptors since 1970?

C. How many years’ experience do the zoologists have in evaluating patterns of extinction among animals?

D. To what degree have native North American raptors migrated to other parts of the world?

E. How many acres of woodland are set aside each year as bird refuges?


if to protect the native NA raptors, special efforts were made, then clearly the author of the argument is wrong, and the zoologists are right.
if not, then the author is right.

a correct answer to an evaluate question, if answered yes or not, either supports or shatters the conclusion.

B meets all the conditions.
Verbal Forum Moderator
User avatar
V
Status: Greatness begins beyond your comfort zone
Joined: 08 Dec 2013
Posts: 1912
Location: India
Concentration: General Management, Strategy
Schools: Kelley '20, ISB '19
GPA: 3.2
WE: Information Technology (Consulting)
GMAT ToolKit User Reviews Badge CAT Tests
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 05 Feb 2017, 01:57
The conclusion of the argument is that the rate of extinction of bird species will not surge in this century. Evidence from native North American raptors (birds of prey) is cited: namely, that even though several such species nearly vanished between 1900 and 1970, the populations of these birds have since rebounded. We are asked to select a question which would, when answered, provide information that would help us evaluate this claim.

(A) This answer choice inquires about the introduction of non-native raptors. However, the argument cites as evidence the resurgence in native raptor populations. Thus, this question does not shed light on the relevance of the evidence.
(B) CORRECT. This question points to an unwarranted assumption on the author's part. The author assumes that the rebound in native North American raptor populations since 1970 was not due to any special effort to save these species. If special efforts have been made to save these raptor species, then one might not be able to generalize this evidence to other bird species or to make predictions about population trends in the next century, using this evidence.
(C) This question is irrelevant: the argument does not depend in any way on the experience of the zoologists. It hinges instead on the trend in raptor populations that the author uses to justify his or her point.
(D) This question is irrelevant. Note that the given evidence states that "local populations of these raptors have rebounded." Thus, population increases of native North American raptors outside of North America are not pertinent.
(E) This question is irrelevant: the argument does not depend in any way on the number of acres of woodland set aside as bird refuges.
_________________

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it. - Henry Ford
The Moment You Think About Giving Up, Think Of The Reason Why You Held On So Long
+1 Kudos if you find this post helpful

Senior Manager
Senior Manager
User avatar
G
Joined: 04 Sep 2015
Posts: 479
Location: India
WE: Information Technology (Computer Software)
Re: Evaluate Revision: Zoologists warn of an imminent [#permalink]

Show Tags

New post 08 Feb 2017, 14:35
A. How many species of non-native raptors have been introduced into North America since 1970?
The number of species is irrelevant in the reasoning provided

B. What special efforts, if any, have been made to rescue native North American raptors since 1970?
waht were the special effort put if any to save the bald eagle from extinction is the major factor to decide if the claim from the zoologist is correct or not.

C. How many years’ experience do the zoologists have in evaluating patterns of extinction among animals?
The experience of evalution of the patterns is irrelevant since the zoologist may study the preobserved patterns and still have vast knowledge and information rather than having first hand experience.

D. To what degree have native North American raptors migrated to other parts of the world?
The study of the north american raptor ws done throughout the world and not just in the north america therfore the degree to which they migrate is not relevant to the argument.

E. How many acres of woodland are set aside each year as bird refuges?
Out of scope.
Re: Evaluate Revision: Zoologists warn of an imminent   [#permalink] 08 Feb 2017, 14:35
Display posts from previous: Sort by

Evaluate Revision: Zoologists warn of an imminent

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.