All organisms are made of cells
all existing cells are produced by other living cells
the cell is the most basic unit of life
        
                    
             
        
        
        
Normal sex cells will have 23 chromosomes
 
        
             
        
        
        
Biological Classification.
The classification system starts with a group with a wide variety of organisms and becoming more selective as the groups get more specific.
Additional information: Carl Linnaeus classified organisms by shared characteristics.
        
             
        
        
        
The kidney filters about 200 quarts of blood to remove about 2 quarts of waste and excess water. That excess water and waste is sent to the bladder and leaves the body as urine.