Every organism at one time or another has to learn to adapt to a new environment. This is why evolution of organism is needed in order to survive changes to its environment, such as the case of the flightless birds. For one reason or another over a period of 100,000 years the need for wings was unnecessary to their survival. There could be many reasons why the birds evolved to be more adaptable to their environment. A small population of birds would have to replenish and start a new population
All papers and essays are for research and reference purposes only!
Copyright 2002-2009
Direct Essays , LLC. All Rights Reserved. DMCA Webmasters make $$$$