3) Write whether the given statements in true or False. Lamark's theory of Use or disuse of organ' was proved & widely accepted.
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Answer:
It is now commonly accepted that Lamarck's ideas were wrong. For example, simple organisms are still detected in all varieties of life, plus it is now known that mutations can create variation such as neck length. Lamarck's theory was rejected because no mechanism was proposed to explain how Lamarckian evolution would take place.
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Answer:
false, (I'm guessing)
Explanation:
According to Lamarck, new needs (besoins) arise in animals as a result of a change in the environment. This leads to new types of behaviour involving new uses of pre-existing organs. Their use leads to an increase in size or to other methods of functioning. Conversely, the disuse of other parts leads to their decline
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