OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pigeons and tortoises
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Tortoises and finches
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Finches and Pigeons
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Zebras and Mockingbirds
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Detailed explanation-1: -The most studied animals on the Galápagos are finches, a type of bird (Figure below). When Darwin first observed finches on the islands, he did not even realize they were all finches.
Detailed explanation-2: -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-3: -Darwin studied bees and ants in his own garden. One of the reasons he may have held back from revealing his ideas about evolution was the problem of cooperation in social insects.
Detailed explanation-4: -On the Galapagos Islands, Darwin also saw several different types of finch, a different species on each island. He noticed that each finch species had a different type of beak, depending on the food available on its island. The finches that ate large nuts had strong beaks for breaking the nuts open.