The answer to this is true. 
        
             
        
        
        
Answer:
Homologous chromosomes are paired early in the cell reproduction process. and one pair of sex chromosomes The autosomes carry the genes that determine most body characteristics
Explanation:
 
        
                    
             
        
        
        
Well new species can come and live there and some animals may have new food but the disadvantage is some of the animals ill die that lived there because of the changes...i hope this helped you
        
                    
             
        
        
        
Because a spring is from where the water table is too high