The answer is competition. Because it wants the other plants to move so it can have all of the space to grow.
 
        
                    
             
        
        
        
Its that food dropped on the ground is safe to eat and will not be covered in germs as long as its picked up within 5 seconds after its dropped.
        
             
        
        
        
I believe your answer would be: 
A. Fossils.
Explanation:
Because they are the preserved remains or traces of animals, plants, and other organisms from the past. They're also important evidence for evolution because they show that life on earth was once different from life found on earth today.
Hope I helped, good luck! =)
 
        
                    
             
        
        
        
After Santiago slaughters the immense marlin in The Old Man and the Sea, by Ernest Hemingway, he lashes it to the side of his watercraft. The fish is eighteen feet long, longer than the watercraft, and Santiago knows he won't make great time going home in light of the additional weight and clumsiness of the fish. He doesn't get much of anywhere before the principal sharks strike the fish.