... ; another stronger and more bulky horses" the intermediate will be selected against and the extremes will prevail (112). The natural case study used was the beetle species of Madeira. Flying insects are often blown out to sea where they die. The individuals with the best chance of survival are those that have enlarged wings and can fly against the wind, or those that have "wings having ... of species A is only determined by the unpredictable laws of natural selection. Extinction does not need to be a catastrophic event and once it occurs, it is permanent. Another species may fill, at a ...

• Word Count: 3127
• Approx Pages: 13
• Has Bibliography
• Grade Level: Undergraduate