EVOLUTION
EVIDENCE FOR EVOLUTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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attracting a mate
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defending territory
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building nests
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gathering food
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Detailed explanation-1: -This variation helped Darwin arrive at his understanding that the finches and other birds had adapted to the islands and specific environments where they live, leading to the theory that species are not fixed and unchanging; instead, they evolve over time from common ancestors.
Detailed explanation-2: -On the Galápagos, finches evolved based on different food sources-long, pointed beaks served well for snatching insects while broad, blunt beaks work best for cracking seeds and nuts.
Detailed explanation-3: -1: Darwin’s Finches: Darwin observed that beak shape varies among finch species. He postulated that the beak of an ancestral species had adapted over time to equip the finches to acquire different food sources.
Detailed explanation-4: -On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island which helped him to develop his theory of natural selection. He observed that the shape of the beak of the birds varied according to the type of food they consume.
Detailed explanation-5: -How are finches on the Galapagos Islands similar? How are they different? The finches are similar because they all are only found in the Galapagos. They are different because they have unique diets and beak shapes.