Which of the following concept is attributed to Charles Darwin

Options :
  1. use and disuse of organs is of great importance in evolution
  2. every cell must come from a preexisting cell
  3. in the struggle for existence, the fittest would survive
  4. the gametes will carry only one of a pair of contrasting characters
Answer and Explanation :-

Answer: Option 3


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Jane, be still don't struggle so like a wild, frantic bird, that is rending its own plumage in its desperation.""I am no bird and no net ensnares me I am a free human being, with an independent will which I now exert to leave you.
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