There are many fish and other large marine animals in the light zone becuse plankton (a main foodsource for many fish) is able to grow.
 
        
             
        
        
        
Prophase 
During the prophase stage of mitosis, the nucleus seems to disband itself. The nucleolus suspends itself and finally, the nuclear membrane disassembles itself. This is because of the undergoing process of copying and dividing. 
Mitosis is a functional cell dividing process that helps the cells repair or rejuvenate itself because of apoptosis and other factors.  
        
                    
             
        
        
        
Answer:
A canyon
Explanation:
the movement of it because of the canyon being spilt of it 
 
        
             
        
        
        
Answer:
Gap junctions
Explanation:
Gap junctions form pores that connect adjacent cells. In this way signaling molecules, ions and other substances can pass through the pore to the adjacent cell. This type of cell junctions are important in cardiac muscle responses, in brain signaling, during childbirth, etc.