Answer:
The nucleus is found in both plant and animal cells along with the vacuole
Explanation:
 
        
             
        
        
        
True. It also states that they cannot compete for the same resources.<span />
        
                    
             
        
        
        
C. Because they contain water ammonia, and methane
        
                    
             
        
        
        
Answer:
Innate immunity is a non-specific immune system which provides defence against any pathogenic microorganism in early stages. It includes physical barrier such as skin, chemical barriers such as saliva, tears, et cetera, phagocytic cells such as macrophages, et cetera. 
Acquired immune system is the one which develops after exposure to pathogen or antigen. It is highly specific in nature. It includes B-lymphocytes and T-lymphocytes. It includes the production of antibodies.
Vaccines are used to develop acquired immunity in people. The process is termed as vaccination or immunisation. Heat-killed or weakened pathogen or antigen is inserted into a person after which a person develops antibodies and memory cells against that pathogen or disease. So, the immune system acts more vigorously against that pathogen in secondary infection.
Thus, a person becomes immunised.
 
        
             
        
        
        
 
l think it is commensalism-lt is the relationship in which one organism benefits by the other is neither helped nor harmed
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