D looks like the oldest one because there is barley anything there. if not then I would do b
        
                    
             
        
        
        
C. The problem of endangered species 
        
             
        
        
        
 When a cell has too much of one thing, homeostasis gets rid of some of it and balances the cell out. Just like when you have too much stress, you find ways (coping mechanisms) to get rid of some of it.
Explanation:
Hope this helps!
 
        
             
        
        
        
Answer:
true
Explanation:
theres a bunch of different categories depending on the subject
 
        
             
        
        
        
Answer:
The correct order is 
E. Adsorption
B. Penetration
D. Synthesis
A. Assembly
C. Lysis
Explanation:
Virus can have two reproduction cycle that is lytic and lysogenic. In the lytic cycle first step is virus adsorption or attachment on the host cell surface. The second step is penetration in which the virus penetrated the host cell and injects its genetic material in the host cell.
The third step is synthesis, in this stage, the viral genome gets incorporated and produces viral proteins required for capsid formation. The fourth step is assembly in which viral protein assembled around viral nucleic and form new viruses.  
The final step is lysis where the new viruses lyse the host cell to come out of the host cell and infect other cells.