When Charles Darwin discovered the various finch species on the Galápagos islands, he was surprised to find so many different but related species in such a small geographic area. Which of the following best illustrates the correlation between competitive advantage and an individual’s traits in a particular environment?

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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ISBN:9781305967359
Author:STARR
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Chapter39: Animal Behavior
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When Charles Darwin discovered the various finch species on the Galápagos islands, he was surprised to find so many different but related species in such a small geographic area. Which of the following best illustrates the correlation between competitive advantage and an individual’s traits in a particular environment?

  • Different islands had very different food resources available, and only individuals that were adapted to eat those food resources survived and reproduced on that island.
  • Finches had no natural predators on the island before Darwin’s voyage, allowing them to prosper on the islands.
  • Competition between different species for food resources led to resource partitioning of the ecosystem.
  • Mating behaviors in finch species ensure that different species of finch will not interbreed with one another.
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