The correct answer is Exptirpation
        
             
        
        
        
B cells produce antigen
t cell are helper,killer,memory cells
they hold memory of pathogens i the system
        
             
        
        
        
Answer:
yea I know, I tell people not to click on them
 
        
             
        
        
        
<span>Antrophocentric ideas and beliefs involve believing that only human beings and human beings alone are of the utmost importance above all else, that the human self is of the total concern. It is a very "self" oriented set of ideas. Eccocentrists are particularly and primarily focused on the environment, preservation, and "green" movements.</span>
        
             
        
        
        
Answer:
One reason that Organism A and Organism C will be placed in different groups will be due  to their MODE OF NUTRITION.
As described in the question, Organism A has an autotrophic mode of nutrition which means that it has the capability to produce its own food. Organism C is a heterotroph which means it cannot produce its own food and hence will have different properties as compared to the organism A.