SUMMARY ANSWERS

    Evolution in the changes in a  P O P U L A T I O N (never in an I N D I V I D U A L)
    that occur over a long period of  T I M E.  (Sorry; TUNA or SNAKE is incorrect!) 

    Charles Darwin was the first to state a theory of evolution that, although
    controversial, was gradually widely accepted within the scientific community.

     Darwin's main five points are:

    1)    Species tend to  O V E R P R O D U C E  (Overpopulate)  
    2)    Within the population, there is great  V A R I A T I O N  in characteristics
    3)    Since resources are limited, C O M P E T I T I O N  arises between
           organisms.
    4)    Only some survive since  N A T U R E      S E L E C T S  for the most fit.
    5)    The survivors  R E P R O D U C E   and pass on their successful
            A D A P T A T I O N S  to their offspring.

    Other scientists updated Darwin's Theory as new knowledge was known.

   

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