Geographic Distribution forces the organisms to adapt to their specific locations.
Examples - Some turtles need longer necks in where they're living.
regular necked - http://www.answersingenesis.org/articles/am/v2/n3/sea-turtles
 |
| long necked http://perpustakaan.blogspot.com/2009/11/weird-and-cute-turtles.htm |
 | The finches on the different islands adapted their beaks to whatever environment they were living in. The picture shows Darwin's depiction of the Finches' beaks. It started very large but it progressively became smaller and less lethal. |
| http://www.darwinisminruins.com/5.html http://www.sparknotes.com/biology/evolution/lamarck/section2.rhtml |
 |
The giraffes' necks were not always as long as they are now. Their necks started out average but as the trees grew taller, they had to adapt. Naturally, their necks became longer because their environment required long necks to eat leaves off of trees. |
Always include references Allen
ReplyDelete