An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
        
                    
             
        
        
        
        
Electric Charge. options: 
Radiation 
Discovery 
Kinetic Energy 
<u>Electricity</u>
 
        
                    
             
        
        
        
The correct answer is option C, that is, both vitamin C and zinc are involved in immune system functions.  
Vitamin C is an important vitamin, which does an essential function in wound healing, immunity, and eye health. On the other hand, zinc refers to a dietary mineral, which also helps in immunity, protects the eyes from vision-robbing ailments, and also helps to heal wounds.  
 
        
             
        
        
        
Answer:
birth rate and death rate