Answer:
What is a search engine and what is its function?  Search engines function on the Internet by allowing Internet users to find specific information from the Web based on keyword criteria that is entered by the user. Each search engine has a crawler that projects into the Internet to follow hyperlinks and gather information from Web pages.
 
        
             
        
        
        
I think :
Most male deer's antlers are shed
        
             
        
        
        
<span>For a living organism to exist it needs to feed off of something to live. The basic eco cycle of life. If there is no food supply it ceases to exist and dies. This also could define other things in the world that are not organisms, like a rock.</span>