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Zorluk: KolayEvaluating Argument Strength and Credibility

Biologists studying the migration of the Arctic Tern have long marveled at the bird's ability to travel over 44,00044,000 miles annually. A recent study utilizing lightweight geolocators attached to several terns confirmed these extraordinary distances, showing that some birds flew over 55,00055,000 miles in a single year. While some researchers suggest that these long flights are motivated primarily by a search for optimal nesting temperatures, Dr. Helen Vance argues that wind patterns are the decisive factor. Vance points out that the terns' migration routes closely align with prevailing global wind currents, which allow them to glide for long distances with minimal energy expenditure.

Which of the following facts from the passage provides the strongest support for Dr. Helen Vance's argument regarding Arctic Tern migration?

  1. A
    The hypothesis that terns are motivated by a search for optimal nesting temperatures
  2. The alignment of migration routes with global wind currents that facilitate energy-efficient glidingCevap
  3. C
    The recording of a single tern flying more than 55,00055,000 miles in one year using geolocators
  4. D
    The development of lightweight geolocators that can be safely attached to migrating birds

Cevap

The alignment of migration routes with global wind currents that facilitate energy-efficient gliding
The correct answer is the option focusing on the alignment of migration routes with global wind currents. Dr. Vance argues that wind patterns are the decisive factor in the terns' migration, and she supports this by pointing out the correlation between their actual flight paths and prevailing wind currents that allow energy-efficient gliding.

Adım Adım Çözüm

1
Identify Dr. Helen Vance's main argument in the passage.
Dr. Vance's argument is that wind patterns are the decisive factor in determining the migration routes of the Arctic Tern.
To evaluate the strength of the support, we must first clearly define the claim being supported.
2
Locate the evidence Vance presents in the text to support her claim.
The text states that Vance 'points out that the terns' migration routes closely align with prevailing global wind currents, which allow them to glide for long distances with minimal energy expenditure.'
This is the specific factual observation Vance introduces to substantiate her argument.
3
Match Vance's evidence to the correct option.
The option describing the alignment of migration routes with energy-efficient wind currents directly mirrors the evidence in the passage.
This confirms which choice represents the strongest support for her claim.

Anahtar Kavram

Identifying and evaluating supporting evidence for an author's specific claim within a passage.
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Konular

Evaluating Argument Strength and Credibility

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