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Zorluk: KolayDetermining Author's Primary Purpose

Each autumn, millions of monarch butterflies across North America embark on a remarkable journey, migrating thousands of miles to their overwintering sites in the forests of central Mexico. This annual migration is unique because no single butterfly makes the entire round trip. Instead, it takes several successive generations to complete the cycle. The butterflies rely on a combination of directional aids, including the position of the sun and the Earth's magnetic field, to navigate their way south. Along their route, they depend heavily on milkweed plants to lay their eggs and nectar-rich flowers for energy. While scientists have mapped their general migration routes, the precise mechanisms of how these insects navigate across vast distances remain a subject of ongoing research and fascination.

Based on the passage, what is the primary purpose of the author's discussion of monarch butterflies?

  1. A
    highlight the crucial role that milkweed plants play in the survival of monarch butterfly offspring.
  2. describe the general journey, generational nature, and navigation methods of the annual monarch butterfly migration.Cevap
  3. C
    argue that insect migration is the most complex navigational challenge in the animal kingdom.
  4. D
    prove that individual monarch butterflies complete the entire round-trip journey to Mexico and back.

Cevap

The primary purpose of the passage is to describe the general journey, generational nature, and navigation methods of the annual monarch butterfly migration.
The correct answer is correct because the passage is structured to provide an overview of the monarch migration, explaining their route, the fact that it spans multiple generations, and the sensory methods they use to navigate.

Adım Adım Çözüm

1
Analyze the passage as a whole to determine its main focus.
The passage describes the annual journey of monarch butterflies, their multi-generational reproduction cycle, and the sensory tools they use to navigate.
Understanding the overall content helps differentiate the primary focus from minor details.
2
Evaluate the choices against the passage's primary focus.
The description of their journey, generational nature, and navigation methods aligns directly with the scope and content of the entire passage.
This step ensures that the selected choice reflects the whole passage rather than a single sentence or paragraph.

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Determining Author's Primary Purpose
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