শনিবার, ১০ মে, ২০১৪

GRE Argument Analysis 4: "Arctic deer live on islands in Canada's arctic regions. They search for food by moving over ice from island to island during the course of the year..."

Arctic deer live on islands in Canada's arctic regions. They search for food by moving over ice from island to island during the course of the year. Their habitat is limited to areas warm enough to sustain the plants on which they feed and cold enough, at least some of the year, for the ice to cover the sea separating the islands, allowing the deer to travel over it. Unfortunately, according to reports from local hunters, the deer populations are declining. Since these reports coincide with recent global warming trends that have caused the sea ice to melt, we can conclude that the purported decline in deer populations is the result of the deer's being unable to follow their age-old migration patterns across the frozen sea.

Write a response in which you discuss what specific evidence is needed to evaluate the argument and explain how the evidence would weaken or strengthen the argument.

Global warming is affecting the world climate various ways. However, the argument relating to the decreasing number of arctic deer and global warming is not convincing due to lack of proper evidences.

To begin with, the author takes into account the reports of some local hunters. Who stated the deer population is declining. It was not clear how the local hunters came into this conclusion. The methodology of their findings is not present either. The places, the time of year they have taken into account, even the number of hunters who said so, could not be verified from the argument. These lack of evidences leads to the dubiety of the local hunters report.

The argument goes further to relate that report with the rise of global warming. While it's true that the rise in temperature does melt ice in the arctic region, it did not present the evidences needed to establish a relation between this and the deer population decay. It merely assumed that the deer might not being able to follow their usual migratory patterns. However, a warmer environment might mean that some islands are not hostile anymore to the plants the beer lives on. Because according to the argument the islands need to be warm enough to sustain them. The deer might not even need to leave their island if their own one is being propitious. So, the lack of example with actual data, showing that the deer are now trapped in their islands and too warm to sustain the plants the beer lives on, further weakens the argument.

Hence, though it is important to research the effects of global warming, this particular argument did not present evidences necessary to conclude that the deer population is indeed declining due to the those effects. Even if there is any relation between them, it failed to establish so. The arguer should provide some concrete evidences to remove its doubtfulness and make it tenable.

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