Answer:
What r the answer choices? 
 
        
                    
             
        
        
        
The answer to the question is nucleic acid glad I could be of help if you need any more help at me and I'll try to help when I can
        
             
        
        
        
When i say apes i mean monkeys
First question: tailbones, how other animals evolved
Second question: apes had tailbones, other animals have evolved.
Third Question: Both humans and apes had tailbones, shows that evolution does exist.