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These species are very similar, but the warbler finch has a longer and thinner beak than the other three species. Which of the following best explains this difference?

A. The warbler finch needs a longer beak for defense against predators.
B. The warbler finch originated from a different type of bird than the other species.
C. The warbler finch's longer and thinner beak is an adaptation to the food available in the bird's habitat.
D. The warbler finch's beak is made out of different proteins than the beaks of other birds on the islands.

Answer :

Final answer:

The warbler finch's longer and thinner beak is an adaptation to its food sources, allowing better access to narrow or specific feeding areas. This adaptation illustrates the concept of evolution based on environmental needs. Other explanations, like defense or different origins, do not accurately reflect this biological phenomenon.


Explanation:

Understanding the Beak Adaptation of the Warbler Finch

The warbler finch's longer and thinner beak compared to other finch species is best explained by option C: The warbler finch's longer and thinner beak is an adaptation to the food available in the bird's habitat. This adaptation allows the warbler finch to access different food sources effectively compared to its relatives. For example, in environmental contexts where insects or flower nectar are more abundant, a slender beak facilitates feeding in narrow spaces or on specific plants.

In contrast, the other options presented do not accurately explain the morphological difference:

  1. Option A, suggesting that the beak is for defense, is not a common function of beaks in finches.
  2. Option B implies a different origin, but evolutionary biology indicates adaptations arise in response to ecological niches rather than entirely different origins.
  3. Option D incorrectly attributes the beak's structure to protein composition, which does not account for evolutionary function based on environmental needs.

Overall, the warbler finch exemplifies how evolutionary adaptations arise from the necessity to survive in specific habitats and exploit available resources.


Learn more about bird adaptations here:

https://brainly.com/question/36871314


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