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Would Darwin or Lamarck have agreed with the following statement?"A bunch of prehistoric penguins stopped using their wings to fly and the wings shrank from not being used. These penguins with shrunken wings then passed the shrunken wing characteristic to their offspring."Group of answer choicesLamarckDarwin

Question

Would Darwin or Lamarck have agreed with the following statement?"A bunch of prehistoric penguins stopped using their wings to fly and the wings shrank from not being used. These penguins with shrunken wings then passed the shrunken wing characteristic to their offspring."Group of answer choicesLamarckDarwin

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Solution 1

The statement aligns more with Lamarck's theory of evolution. Jean-Baptiste Lamarck proposed the idea of the inheritance of acquired characteristics, often simplified as "use it or lose it". According to this theory, an organism can change during its lifetime in response to its environment, and those changes are then passed onto its offspring. In this case, the penguins stopped using their wings, the wings shrank, and this characteristic was passed onto their offspring.

On the other hand, Charles Darwin's theory of natural selection suggests that traits providing a survival advantage become more common over generations. It doesn't involve the idea that disuse would lead to a physical change in a characteristic. So, Darwin would not agree with the statement.

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Solution 2

The statement aligns more with Lamarck's theory of evolution. Jean-Baptiste Lamarck proposed the idea of the inheritance of acquired characteristics, often simplified as "use it or lose it". According to this theory, an organism can change during its lifetime in response to its environment, and those changes are then passed on to its offspring. In this case, the penguins stopped using their wings, the wings shrank, and this characteristic was passed on to their offspring.

On the other hand, Charles Darwin's theory of natural selection suggests that traits providing a survival advantage become more common over generations. It doesn't involve the idea that unused characteristics disappear and are then inherited in their changed form. Darwin would argue that if the wings shrank, it would be because smaller wings provided some sort of survival advantage, not simply because they were not being used.

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