The Answer Is On This Link https://technet.microsoft.com/en-us/library/cc961723.aspx 
        
             
        
        
        
Answer:
filum terminale
The filum terminale is a thin strand of pia mater that helps anchor the conus medullaris to the coccyx
 
        
             
        
        
        
Can produce fertile offspring 
        
             
        
        
        
Answer: chloride ions
Explanation:
This movements of  chloride ions  into the blood plasma to replace the outward diffused bicarbonate ions is  called  chloride shift, It  occurs  to restore the blood ionic balance altered by the bicarbonate ions diffusion out into plasma
The same amounts of Chloride ions replaced the lost amount of  bicarbonate ions
 
        
             
        
        
        
Answer:
So where then did all the carbon that living organisms are built of come from? It turns out that most of the carbon we use today came from a collision with another smallish planet about 4.4 billion years ago.