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题目选项分析

On Pacific islands, a newly arrived gecko species, the house gecko, is displacing the previously established mourning gecko in urban areas, but populations of the two species are more stable in rural areas far from human settlement. The house gecko does not attack the mourning gecko, but in areas where insects congregate it prevents the mourning gecko from feeding on them.

Which of the following contributes most to an explanation of the difference between gecko populations in urban and rural areas?

【选项】Geckos defend territories against other members of the same species.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:PREP07 Test 2-1
难度: 难