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13 Jun 2020, 08:45
Kudos
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Hi GMATNinja! Please could you explain why the OA for Question 6 is E and not A?
25 Jun 2020, 16:17
Kudos
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Question 6
davidbeckham
Question 6 asks us to identify a disadvantage that results from the snake’s heart being in close proximity to its head. The final paragraph of the passage discusses this possibility. Take a look:
- One such adaptation is the closer proximity of the terrestrial snake's heart to its head, which helps to ensure circulation to the brain, regardless of the snake's orientation in space.... In arboreal snakes, however, which dwell in trees and often assume a vertical posture, the average distance from the heart to the head can be as little as 15 percent of overall body length. Such a location requires that blood circulated to the tail of the snake travel a greater distance back to the heart, a problem solved by another adaptation.
Now here’s (A):
Quote:
(A) suggests that when a snake’s heart is close to its head the snake’s ability to get blood to the brain is impaired. But the passage indicates the opposite. It states that the heart being close to the brain “helps to ensure circulation to the brain.” Eliminate (A).
And here’s (E):
Quote:
In the second boldface portion of the passage above, the author makes clear that when a snake’s head is close to its heart the blood is forced to flow further to its tail. This would presumably require a greater amount of effort as (E) indicates. For that reason, (E) is the best choice for question 6.
I hope that helps!
10 Aug 2024, 01:01
Kudos
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Hi. Why is (A) wrong for question3? It is mentioned that gravity makes it harder for terrestrial snakes and the lack of neutralizing forces, as is the case in water, makes it harder for terrestrial snakes to maintain vertical positions.
It is true that the snakes are adapted to it, but they have adapted to it because it would have been harder without the adaption.
Option (B) says about the adaptation. It is true that the result of adaptation removes that disadvantage but the question does not explicitly mention IF the adaptation effect needs to be considered.
It is true that the snakes are adapted to it, but they have adapted to it because it would have been harder without the adaption.
Option (B) says about the adaptation. It is true that the result of adaptation removes that disadvantage but the question does not explicitly mention IF the adaptation effect needs to be considered.
