Only animals in the same <u>species</u> can always breed and have fertile offspring.
Although animals in the same genus<em> can </em>breed, their offspring are usually infertile.
 
        
             
        
        
        
The first one is to absorb calcium. 
second question: I THINK poor wound healing
        
                    
             
        
        
        
Which picture?, pls Clip the picture for the answer.
        
             
        
        
        
the ability to reproduce.
 
        
                    
             
        
        
        
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object 
Saturn - Most visible rings