Asked by kanishkaaggarwal | 12th Jan, 2010, 10:05: AM
Darwin's finches are an excellent example of the way in which species' gene pools have adapted in order for long term survival via their offspring. These finches have adapted to take advantage of feeding in different ecological niche's. Their beaks have evolved over time to be best suited to their function.
For example, the finches who eat grubs have a thin extended beak to poke into holes in the ground and extract the grubs. Finches who eat buds and fruit would be less successful at doing this, while their claw like beaks can grind down their food and thus give them a selective advantage in circumstances where buds are the only real food source for finches.
Post each query searately.
Answered by | 15th Jan, 2010, 03:59: PM
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