GRE Argument Topic 77

GRE Argument Topic 77

Topic:

The following is a letter to the editor of an environmental magazine.

"Two studies of amphibians in Xanadu National Park confirm a significant decline in the numbers of amphibians. In 1975 there were seven species of amphibians in the park, and there were abundant numbers of each species. However, in 2002 only four species of amphibians were observed in the park, and the numbers of each species were drastically reduced. One proposed explanation is that the decline was caused by the introduction of trout into the park's waters, which began in 1975. (Trout are known to eat amphibian eggs.)"

Write a response in which you discuss one or more alternative explanations that could rival the proposed explanation and explain how your explanation(s) can plausibly account for the facts presented in the argument.

در زیر نامه ای به سردبیر یک مجله محیط زیست است.

"دو مطالعه روی دوزیستان در پارک ملی Xanadu، کاهش قابل توجه تعداد دوزیستان را تأیید می کند. در سال 1975 هفت گونه دوزیستان در پارک وجود داشت و تعداد بسیار زیادی از هر گونه وجود داشت. با این حال، در سال 2002 فقط چهار گونه دوزیستان در پارک مشاهده شد، و تعداد هر گونه به شدت کاهش یافته بود. یکی از توضیحات پیشنهادی این است که این کاهش ناشی از ورود ماهی قزل آلا به آبهای پارک بود، که از سال 1975 آغاز شد. (ماهی قزل آلا به خوردن تخم دوزیستان معروف است.) "

پاسخی بنویسید که در آن شما درباره یک یا چند توضیح جایگزین بحث می کنید که می تواند با توضیحات پیشنهادی مخالف باشد و توضیح دهید که چگونه توضیح (توضیحات) شما می تواند واقعیتهای ارائه شده در بحث را به طور قابل قبولی ارائه دهند.

NOTE: The above topic has wording similar to Argument Task 76 of this Website. However, if you read carefully you will notice that the topic and the task instructions are different. Hence, it is very important to read the topic as well as its instructions completely before you start to write your response.

NOTE: The above topic has wording similar to Argument Task 76 of this Website. However, if you read carefully you will notice that the topic and the task instructions are different. Hence, it is very important to read the topic as well as its instructions completely before you start to write your response.


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