In terms of parasites vs hosts, it is an organism in which the parasite resides and normally feeds + reproduces.
        
                    
             
        
        
        
Semipermeable means only certain substances can pass through. I imagine you are talking about cell membranes which are semipermeable. This means vital things like oxygen and nutrients are able to pass through the membrane, while not allowing everything to enter the cell
        
             
        
        
        
Answer:
"Creating more paved surfaces" 
Option C will be the answer 
 
        
             
        
        
        
Answer:
She should use the example of "the wave" in stadiums to illustrate the idea of a nerve impulse.
Explanation:
 "The wave" in a sport stadium is a good example to explain how a nerve impulse works because it shows how an action potential travels from one point to its destination making changes in the membrane potential that would be the equivalent of people standing up and sitting down to allow the next row to do the same to reach its final destination.
 
        
             
        
        
        
Answer: It is <u>D. Stabalizing</u>
Explanation:
I took the test and because the apples of both ends are being eliminated while the ones in the middle are being kept and increasing.