Answer:I believe it would be A, since that males have two sex-linked genes(which also causes a baby to be either male or female) they have a higher chance of getting a genetic disorder. 
Explanation: the male and females sex organs are different
 
        
             
        
        
        
It is true that enzymes in the digestive tract catalyze hydrolysis reactions.  The reaction happens when a molecule of water is added to the amino acids that are already in the digestive tract. 
        
             
        
        
        
Species A’s population will decrease due to limited space. <em>(I think. I'm sorry if I'm wrong.)</em>
 
        
                    
             
        
        
        
Answer: amino acids 
A mutation is a single or multiple event which brings a change in a genetic material of the organisms. A mutation will alter a DNA base pair that causes deletion or substitution of one amino acid in a protein encoded by a gene. 
 
        
                    
             
        
        
        
Diffusion is used. Diffusion is one principle of moving of cells