If only one type of tree is planted in an abandoned field, the ecosystem will contrail<span> little genetic variability. This is not a healthy way of planting. This can lead to the total destruction of the trees. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
        
             
        
        
        
Answer:
1.) DNA Fingerprinting- a positive out come of this is when some one commits a crime and leaves finger prints they can be used to find the person who committed the crime
 
        
             
        
        
        
A it can be lost during an organisms lifetime