Which of the following examples of natural selection in action would tend to increase the genetic variation in the population?

+1 vote

 

Natural selection simultaneously selects against heavy field mice (they starve during winter) and light field mice (they freeze during winter).

Alpine skypilots evolve large flowers above the timberline and small flowers below the timberline.

Natural selection causes dragonflies to evolve longer tails.

Natural selection acts on beak size in finches such that those individuals able to eat small, soft seeds survive through the winter.

 

asked Dec 28, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

Alpine skypilots evolve large flowers above the timberline and small flowers below the timberline.

 

answered Dec 28, 2012 by anonymous

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