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Sub 505 Level|   Long Passage|   Science|               
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waytowharton
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waytowharton
KarishmaB

Madam could you please help me with Option A of Q5. It is mentioned in line 1 of Para 2 - "To emphasize just how anomalously rare tamarins are", Doesn't it mean that they are endangered because if something is rare it is endangered.

I have doubt in Q5 as below -

RC22661-05.01
The author most probably regards the tamarins studied in Manu National Park as

A. an endangered species
B. typical tamarins
C. unusually docile
D. the most unusual primates anywhere
E. too small a sample to be significant

Endangered means threatened with extinction. We are not given that there is any threat of extinction here. The tamarins are rare means they don't proliferate rapidly (what might be expected from an animal of their small size). But there is no discussion of how low their absolute number is.
If it is expected that animals of their size would be about 10 per hectare, we might find only 1 per hectare. That doesn't mean that they are about to become extinct. It is the nature of these animals to not reproduce in large numbers (the reason for which researchers are unable to explain).
Plus, we are talking about 'tamarins studied in Manu National Park' i.e. we are talking about some specific tamarins. Just because they are low in number, we cannot say that the species is endangered.
But the author does conclude things about the entire species based on the behaviour of these tamarins. So she regards them as typical tamarins.
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