Answer:
Seminal vesicle secretion is important for semen coagulation and may promote sperm motility, increase stability of sperm chromatin, and suppress the immune activity in the female reproductive tract.
Explanation:
Copy and paste the paragraph into Google, and you will get an article on the topic. 
 
        
             
        
        
        
Sickel cell anemia is an inherited disease that is due to a base substitution mutation in a gene.
        
             
        
        
        
  
Living things get energy/food from the sun through a process called Photosynthesis
it's the process by which living organisms manufacture food in the present of sunlight, oxygen and some other vital nutrients.that is Carbon dioxide etc
 
 
        
             
        
        
        
One cell produces two genetically identical daughter cells is both mitosis and meiosis.
 
        
                    
             
        
        
        
Answer:
Biotic interacting with biotic is the answer.
Explanation:
Biotic=Alive such as plants,animal,and human.
Abiotic=Non-living