%3Cimg+src%3D%22http%3A%2F%2Fevolutiontale.com%2Fwp-content%2Fuploads%2F2013%2F11%2Fdogal-seleksiyon.jpg%22+title%3D%22Natural+Selection%22+%2F%3E+%3Cp%3ENatural+selection+is+based+on+the+hypothesis+that+there+is+a+constant+struggle+for+survival+among+species+and+those+living+things+that+are+strongest+and+best+adapted+to+natural+conditions+survive+that+struggle+and+live+to+propagate+themselves.+For+example%2C+in+a+herd+of+deer%2C+those+animals+that+are+naturally+able+to+run+fast+will+escape+predators+and+survive.+Naturally%2C+this+herd+will+soon+consist+of+deer+that+are+all+able+to+run+quickly.%3C%2Fp%3E%0A%3Cp%3EBut+note+that+no+matter+how+long+this+predator+pressure+lasts%2C+the+deer+will+never+turn+into+any+other+species.+Weak+deer+are+eliminated+and+the+fittest+survive%3B+but+no+%E2%80%9Cevolution%E2%80%9D+of+species+takes+place%2C+because+there+is+no+change+in+the+deer%E2%80%99s+genetic+information.+No+matter+how+much+herds+of+deer+are+subjected+to+natural+selection%2C+they+will+still+remain+deer.%3C%2Fp%3E%0A%3Cp%3EThis+example+applies+to+all+other+species.+Deformed+or+we