I think the scientist distinguish whether an entity is living or non living be describing the single unit of life, the live cell that could multiply, reproduce and generate trough time also through ages. I hope you are satisfied with my answer and feel free to ask for more 
        
                    
             
        
        
        
Answer: Mitochondria and chloroplasts.
Explanation: Mitochondria create energy for both plant cells and animal cells through cellular respiration. Chloroplasts create energy for plant cells through photosynthesis.
 
        
                    
             
        
        
        
The answer would be C: The gulf sturgeon population will decline due to loss of habitat
        
             
        
        
        
Answer:roll it down a hill
Explanation:of you roll it down a hill the item builds energy