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Difficulty: MediumWords in Context: High-Utility Vocabulary

In restoration ecology, the introduction of non-native plant species is sometimes proposed as a rapid method to stabilize soil and prevent erosion in degraded landscapes. While this approach can yield immediate benefits, many researchers caution that it can also ______ unforeseen ecological disruptions. For instance, these introduced species may outcompete native flora for resources, ultimately destabilizing local food webs and reducing biodiversity.

Which choice completes the text with the most logical and precise word or phrase?

  1. A
    alleviate
  2. B
    cultivate
  3. precipitateAnswer
  4. D
    tolerate

Answer

precipitate
The correct option is the word that means to cause an event or situation to happen suddenly or unexpectedly. The passage discusses how introducing non-native plant species can trigger ecological disruptions. Therefore, the word meaning to cause or trigger these disruptions is correct.

Step-by-Step Solution

1
Analyze the context of the sentence containing the blank.
The sentence indicates that while there are immediate benefits, researchers warn the practice can lead to 'unforeseen ecological disruptions' that destabilize food webs.
Understanding the surrounding context helps identify the semantic direction and tone of the missing word.
2
Determine the required meaning of the blank.
The blank requires a verb that means to bring about or trigger these sudden negative disruptions.
Establishing the precise definition needed allows for a direct comparison with the answer choices.
3
Evaluate the choices to find the word that means to cause or trigger.
The word 'precipitate' means to cause a sudden, unexpected event (often negative), which fits the context perfectly.
This identifies the only word that is both semantically and grammatically correct.

Key Concept

Words in Context: High-Utility Vocabulary
Estimated Time:1m 30s
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Topics

Words in Context: High-Utility Vocabulary

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