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Zorluk: OrtaRhetorical Functions of Sentences and Paragraphs

For decades, ecologists adhered to a "bottom-up" model of ecosystems, asserting that the availability of nutrients and primary producers like plants strictly determined the population sizes of predators at the top of the food chain. However, in 1960, a seminal paper introduced the "green world hypothesis," proposing that predators actually control herbivore populations from the top down, thereby saving plant life from destruction. While initially met with skepticism, this concept of top-down control, now known as a trophic cascade, revolutionized conservation biology. It shifted the focus of ecology from preserving habitats to maintaining the presence of apex predators.

Based on the passage, what is the primary rhetorical function of the third sentence ("While initially... conservation biology")?

  1. A
    define the biological mechanism of a trophic cascade and explain how predators control herbivore populations
  2. B
    transition the passage from a discussion of theoretical models to a detailed description of a specific ecosystem study
  3. acknowledge the initial resistance to the new ecological theory while emphasizing its eventual transformative impact on the fieldCevap
  4. D
    provide empirical evidence and data that prove predators prevent the destruction of plant life

Cevap

acknowledge the initial resistance to the new ecological theory while emphasizing its eventual transformative impact on the field
The correct answer accurately identifies the rhetorical function of the target sentence. By stating that the theory was 'initially met with skepticism,' the sentence acknowledges the academic resistance it faced. By stating that the theory 'revolutionized conservation biology,' it highlights the transformative impact the idea had on the scientific community.

Adım Adım Çözüm

1
Analyze the targeted sentence in context.
The target sentence states: "While initially met with skepticism, this concept of top-down control, now known as a trophic cascade, revolutionized conservation biology."
To identify its function, we must understand its components: it notes the initial scientific reception ('initially met with skepticism') and its long-term consequence ('revolutionized conservation biology').
2
Evaluate the function of the sentence in relation to the surrounding paragraph.
The paragraph introduces an old ecological view, contrasts it with a new theory introduced in 1960, uses the target sentence to describe how that new theory was received and its overall impact, and then concludes with the shift in focus.
This establishes that the sentence functions to describe the reception and significance of the new ecological framework.
3
Match the analyzed function with the options.
The option stating that the sentence acknowledges initial resistance while emphasizing a transformative impact accurately reflects the contrast between 'initial skepticism' and 'revolutionizing conservation biology.'
Selecting this option directly demonstrates mastery of identifying the rhetorical function of a sentence.

Anahtar Kavram

Identifying the rhetorical function of a sentence involves determining its role in context (e.g., acknowledging counterpoints, establishing historical reception, or highlighting significance) rather than just its literal meaning.
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Rhetorical Functions of Sentences and Paragraphs

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