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Difficulty: EasyPart-to-Whole Rhetorical Function

The Venus flytrap (*Dionaea muscipula*) is a carnivorous plant native to subtropical wetlands on the East Coast of the United States. It captures its prey—chiefly insects and arachnids—using a specialized trapping structure formed by the terminal portion of each of the plant's leaves. Once the prey triggers the sensitive hairs on the inner surface of the lobes, the trap snaps shut in less than a second. This rapid movement allows the plant to survive in nutrient-poor soils where other plants struggle to grow.

Which choice best describes the function of the underlined sentence in the text as a whole?

  1. A
    It identifies the environmental conditions in which the plant is native.
  2. It introduces the physical structure the plant uses to capture its prey.Answer
  3. C
    It explains the chemical process by which the plant extracts nutrients.
  4. D
    It outlines the primary reason why the plant survives in nutrient-poor soils.

Answer

The option stating that the underlined sentence introduces the physical structure the plant uses to capture its prey is correct.
The correct option accurately identifies that the underlined sentence introduces the physical structure (the specialized trapping structure formed by the leaves) that the plant uses to capture its prey.

Step-by-Step Solution

1
Analyze the underlined sentence to identify its immediate content and focus.
The sentence states that the Venus flytrap captures prey using a specialized trapping structure at the end of its leaves.
Understanding the literal meaning of the target sentence is the first step in determining its rhetorical role.
2
Determine how this sentence connects to the preceding and succeeding sentences in the passage.
The preceding sentence introduces the plant, and the succeeding sentence describes the triggering mechanism of the trap. The underlined sentence acts as a transition, introducing the physical trap itself before its operation is explained.
This establishes the logical relationship between the specific part and the whole text.
3
Evaluate the choices to find the one that accurately reflects this logical relationship.
The choice stating that the sentence introduces the physical structure the plant uses to capture its prey matches the analysis.
This confirms the correct option based on the structural function.

Key Concept

Identifying how a specific sentence contributes to the development of ideas in a passage.
Estimated Time:1m 0s
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Topics

Part-to-Whole Rhetorical Function

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