During Ancient Times, the Floknee was a Common Animal in the Wekerlee District Long Before the Arrival of Humans to the Area.

Question: During ancient times, the floknee was a common animal in the Wekerlee district long before the arrival of humans to the area. However, as the number of clogberry bushes, the floknee's main source of food, became scarce, so did the floknee population. Therefore, the arrival of human inhabitants to the area caused the animal to die out.

Which of the following would it be most useful to establish in order to evaluate the argument?

1. Whether the floknee was a nocturnal creature
2. Whether the clogberries were eaten by humans, or their numbers otherwise dwindled by human activity
3. Whether the humans that inhabited the Wekerlee district had mythological beliefs and traditions about the floknee
4. Whether the rainfall in the Wekerlee district towards the end of the floknee's existence was frequent
5. Whether there is a high population of predators living in the Wekerling district today

“During ancient times, the floknee was a common animal in the Wekerlee district long before the arrival of humans to the area.” - is a GMAT Critical question. This particular GMAT Critical Reasoning topic has been taken from the book ‘GMAT Official Guide Quantitative Review’ by Priceton review. In this particular topic candidates need to choose the option that best suits the passage. GMAT critical reasoning tests the logical and analytical skills of the candidates. Critical reasoning in GMAT requires candidates to find the strengths and weaknesses of the argument, or find the logical flaw in the argument. The GMAT CR section contains 10 -13 GMAT critical reasoning questions out of 36 GMAT verbal questions.

Answer: B
Explanation: GMAT critical reasoning tests the reasoning, logical and analytical thinking abilities of the candidate. The candidate has to deduce the correct option by finding the logically correct argument or by eliminating the irrelevant arguments.

Hypothesis 1: During ancient times and before the arrival of humans to the area, there were floknees population in the Wekerlee district

Hypothesis 2:The floknee's main source of food, became scarce, so did the floknee population

Conclusion: The arrival of human inhabitants to the area caused the animal to die out

We will check each statement one by one. This will help us to understand the most appropriate option.

(A)Incorrect.
Option A cannot determine that if the humans caused the floknee to die out. The fact that it was active during the day or only at night is also irrelevant.

(B)Correct.
Option B states about the lack of clogberry bushes caused the floknee's extinction. Though the data proving this fact is not stated. However, it only refers that the arrival of humans not necessarily implies that they killed these animals.
The other fact that if human ate or destroyed the bushes for some reason, it does not directly or indirectly caused the floknees to die out. Their might be some diminishing food source, causing the creature's extinction.

(C)Incorrect.
Option C is irrelevant because there is not relation that can be drawn between the argument and the given statement.

(D)Incorrect.
Option D assumes the farther most and sattes that the floknee died out because of a drought. But there is not such evidence provided in the argument by the author.

(E)Incorrect.
Option E states that the incident happened in the long past. So, this option is irrelevant as what happened in the pas is not related to the number of predators.

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