Answer: Cells have specific jobs they have to do, like for example, reproduction, cells help in the reproduction of organisms. Energy metabolism, some cells help with nutrients and oxygen. Regeneration, if you get a cut or a scrape, some cells help to heal that wound. And information transfer, this is when we get information in our brain.
Hope this helps!
 
        
             
        
        
        
The abiotic factor in a tropical rain forest is definitely the rain.
        
             
        
        
        
Answer:
Autonomic nervous system
Explanation:
Autonomic nervous system controls body functions that do not require thought.