Each bone has a humerus. The ones that have these bones are humans, lions and birds
        
             
        
        
        
Meiosis I creates 2 diploid cells and meiosis II creates 4 haploid cells.
        
             
        
        
        
In 2016, a rare transit of Mercury happened, where the planet crossed the face of the sun. Mercury's transit may have yielded secrets about its thin atmosphere, assisted in the hunt for worlds around other stars, and helped NASA hone some of its instruments.
 
        
             
        
        
        
When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells. A two-kingdom system was no longer useful. Today the system of classification includes six kingdoms.