Choose the word closest in meaning to the word in italics:

Conservation biologists warned that unabated habitat loss could lead to the complete eradication of endemic river terrapin populations.

Answer and explanation

Correct answer: C. total extermination

  1. Step 1: Examine the context of extreme biodiversity threat: 'unabated habitat loss' threatens to completely wipe out a vulnerable species.
  2. Step 2: 'Eradication' means the complete destruction, elimination, or wiping out of something.
Answer
total extermination.
Why not the others: 'gradual migration' implies animals moving elsewhere; 'temporary dispersal' suggests spreading out over an area with potential return; 'genetic mutation' refers to biological changes in DNA sequence.

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