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What role does an individual organisms p...

What role does an individual organisms play as per Darwin's theory of natural selection?

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According to Darwin, fitness refers ultimately and only to reprductive fitness. Those who are better fit if an environment, leave more progency than others.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-A
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  2. State the fate of a pair of autosomes during gamete formation.

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