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Tsumi bats are a rare breed of omnivorous bat found only in highly temperate climates

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Tsumi bats are a rare breed of omnivorous bat found only in highly temperate climates. Most Tsumi bats living in captivity develop endocrine imbalances from their normal zoo diets, which consist mostly of fruits and berries. The healthiest way to feed the bats, therefore, is to provide them primarily with nuts, grubs, and vegetables and only minimal amounts of fruits and berries.


Which of the statements below does NOT reflect an assumption upon which the argument depends?
(A) Those who care for Tsumi bats in captivity should avoid feeding them diets that produce endocrine imbalances.
(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.
(C) Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries.
(D) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables.
(E) For Tsumi bats living in captivity, no health problem stemming from diets consisting mostly of nuts, grubs, and vegetables would
surpass in severity the health problems associated with endocrine imbalances.

Official Answer

3 Answers

flamingo
3
 
Bats in Captivity -> endo. imbalances because of fruit diets
To correct this give them nut diet.
 
Remember this is an assumption question. An assumption is fact that links the premise to conclusion and has to be true. 
Let us evaluate the choices 
 
a)  Those who care for Tsumi bats in captivity should avoid feeding them diets that produce endocrine imbalances. - Seems okay, let us keep until we apply POE
 
b) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.
This has to be true. a valid assumption. 
 
c)  Tsumi bats living in captivity will consume diets that consist of nuts, grubs, and vegetables but no fruits or berries. - Seems okay, let us keep until we apply POE
 
d) Tsumi bats living in captivity will be adequately nourished on a diet that consists primarily of nuts, grubs, and vegetables.
Similar to b, this would have to be true. The argument falls if we apply negation test to this.
 
e) For Tsumi bats living in captivity, no health problem stemming from diets consisting mostly of nuts, grubs, and vegetables would surpass in severity the health problems associated with endocrine imbalances.
Yep, this has to be necessary. because if the new diet is more damaging, that wont help the cause. 

We are left with A and C. Apply Negation 
A) 
Those who care for Tsumi bats in captivity should NOT avoid feeding them diets that produce endocrine imbalances.
This certainly weakens the argument. 
C) This should be the answer. 
It is not assumed that the Tsunami bats would consume diets that consists primarily of nuts, grubs and vegetables and not fruits and berries. Also pay attention to the words. C mentions that bats will CONSUME, but the argument is they will be FED. Scope shift.
 
Hence C is the answer.  
 
answered Oct 2, 2014 by Guru (5,628 points)
sandip
1
Answer choice C has a point " but no fruit and barries". This point makes negation of assumption. So C is the right answer.
answered Dec 20, 2014 by Beginner (11 points)
bhavya
-1
B(B) Tsumi bats living in captivity will not be malnourished on diets that contain minimal fruits and berries.
answered Oct 2, 2014 by (-1 points)
1Comments
great effort. but unfortunately the answer is wrong. please have a look at the correct answer.
commented Oct 2, 2014 by Guru (5,628 points)
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