?j?j
 because j? Aiaiansnsnansmw
        
                    
             
        
        
        
What is the second question? If it is in a picture I cannot see it, just comment the question below and I'll see if I can help you :3
        
             
        
        
        
Answer:
Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.
Explanation:
 
        
                    
             
        
        
        
Answer:
Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.
Explanation: