Answer:
Gene Flow
Explanation:
Gene flow is when genetic material gets transferred from one population to another. 
 
        
             
        
        
        
Answer:
sperm cells only a few hundred are able to traverse the long way through the cervix, the uterus, and past the fallopian tube isthmus to the tube's ampullary region to there meet oocyte.
Explanation:
 
        
             
        
        
        
Answer:
b
Explanation:
all living things are made up of cells.
 
        
             
        
        
        
C. The green part, because it contains chlorophyll