The first known single-celled organisms appeared on Earth about 3.5 billion years ago, roughly a billion years after Earth formed. More complex forms of life took longer to evolve, with the first multicellular animals not appearing until about 600 million years ago.
 
        
                    
             
        
        
        
Well, Angiosperms are grouped up with with the dicots and monocots.
        
             
        
        
        
The last one is correct lol