No,they kill all ages for ex.A pack of lions went hunting leaving their cubs behind and a pack of hyenas come and they are hungry they will eat the food that they can
        
             
        
        
        
TRUE IS YOUR CORRECT ANSWER.
        
                    
             
        
        
        
B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.   
A is also correct
        
             
        
        
        
The answer is studying for a test because you want to feel proud of your performance. Intrinsic motivation means you do something for the sake of your internal feelings/motivation, not based on something or someone external like a paycheck or significant other.