Here is the definition
<span>
an unborn or unhatched offspring in the process of development.</span>
        
                    
             
        
        
        
Answer:
creo que es una población pequeña
Explanation:
 
        
                    
             
        
        
        
Well first, your immune system has two main halves, innate and adaptive... the innate is the line of defense to fight off disease and bacteria, which is made up of anatomical barriers 
        
                    
             
        
        
        
Answer:
A
Explanation:
If it's a permeable membrane then it will allow certain molecules in. If it's impermeable then it won't allow molecules in. Therefore it is the deciding feature of whether something can go into the membrane.