Increase in the length of neck and fore legs in African giraffe was explained by Lamarck due to the fact that ancient giraffes stretched their neck and fore legs generation after generation and the character acquired as a result of use was inherited. Darwin also explained the phenomenon. Can you point out the way in which Darwin described it:

Question:
  Increase in the length of neck and fore legs in African giraffe was explained by Lamarck due to the fact that ancient giraffes stretched their neck and fore legs generation after generation and the character acquired as a result of use was inherited. Darwin also explained the phenomenon. Can you point out the way in which Darwin described it:

1.There was sudden mutation due to use and disuse and it lead to evolution in neck and fore legs

2.There was effect of temperature on these animals and as a result the change occurred

3.Only those members which had longer necks and fore legs were selected by nature

4. There were variations in population

Posted Date:-2021-08-31 03:15:33


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