Answer:
The second way is to put wet sand with rocks in the sand in the bottom of the bottle, then put dry sand next, get some water and dump it all in there with the plant in it. The advantages in the first one was the plant gets a good amount of water and cactus love water so that is one advantage.
 
        
             
        
        
        
The answer is gonna be A ecosystem
        
                    
             
        
        
        
Answer:
prokaryotic
Explanation: 
I think that because since it doesn't have a nucleus or as many organelles as eukaryotic. They are smaller in size and don't have membrane bound structures. 
 
        
             
        
        
        
They can only produce cells that are the same as them
 
        
             
        
        
        
The answer is; deletion mutation
This type of mutation mostly causes a phenomenon called frameshift mutation whereby the 3-codon sequence reading frame is shifted causing the amino acids translated, downstream of the deletion site, to be altered. This can gravely affect the function of the translated proteins and result in genetic disease.