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  • Related Benchmark: SC.912.L.15.13
  • Reporting Category: Life Science
  • Type: MC: Multiple Choice
  • Difficulty: N/A
  • Question:
    Over time, the climate of an island became drier, which resulted in changes to the populations of various island finch species. Finch populations with a certain beak shape thrived, while those not having that beak shape decreased. Which of the following describes a necessary condition for these changes in the finch populations to occur?
  • Answer Options:
    A. fewer mutations
    B. limited food resources
    C. limited beak variations
    D. overproduction of offspring
  • Answer Key:
    B