blue......................
 
        
             
        
        
        
<span>Birds and dinosaurs show homology because they are closely related, such as pigeon and tendon. They have different types of wings, but birds have evolved from dinosaurs. Unlike other species such as insects, which can be a homoplasy or a homology. This is due to its world and complexity.</span>
        
             
        
        
        
The last three are correct
        
                    
             
        
        
        
Answer:
us humans need a balanced ecosystem because its what keeps us alive. when having a balanced ecosystem we have cleaned water, purified air, maintained soil, regulates our climate, recycles nutrients, and provides us with food. 
 
        
                    
             
        
        
        
Answer: You Palpatine, I'd still have you.
Explanation: