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Difficulty: MediumWords in Context: High-Utility Vocabulary

For decades, ecologists believed that the geographic distribution of certain plant species in alpine meadows was determined solely by temperature. However, recent studies suggest that soil chemistry plays an equally critical role, indicating that temperature-based models alone are _________ predictors of species richness in these environments.

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

  1. inadequateAnswer
  2. B
    infallible
  3. C
    insignificant
  4. D
    atypical

Answer

inadequate
The correct answer is the word meaning insufficient or not fully suitable. The passage notes that soil chemistry is just as critical as temperature in determining plant distribution, meaning that a model relying solely on temperature is incomplete and therefore not fully sufficient to make accurate predictions.

Step-by-Step Solution

1
Analyze the context of the sentence containing the blank.
The sentence indicates that temperature-based models "alone" are being described in relation to their ability to predict species richness, given that soil chemistry plays an "equally critical role."
To determine what kind of word is needed, we must identify the relationship between the single-factor models (temperature only) and the multi-factor reality (temperature and soil chemistry).
2
Evaluate the logical implication of the contrast introduced by 'However'.
Since temperature is not the sole factor, a model that only uses temperature is incomplete or insufficient.
This logical step helps narrow down the definition of the target vocabulary word to something meaning 'not sufficient' or 'lacking.'
3
Test the choices against the context.
The word 'inadequate' fits perfectly because it means lacking in quality or quantity required, or insufficient. The other options either contradict the text ('infallible'), are too extreme ('insignificant'), or are irrelevant ('atypical').
Selecting the most precise academic term that satisfies the contextual constraints ensures the correct option is chosen.

Key Concept

Identifying contextual meaning of high-utility academic words based on logical transitions and details in a passage.
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Topics

Words in Context: High-Utility Vocabulary

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