Answer:
Well I think your able to identify by looking at the Physical and Chemical Properties or by its Melting or boiling point. 
Hopefully this is correct 
 
        
             
        
        
        
Biologists find taxonomy useful because this scientific study gives them much information about an organism based on its classification.
        
             
        
        
        
I suppose it's a zygote. In haplontic life cycle haploid gametes fuse together creating the zygote (diploid) that promptly divides meiotically creating 4 haplontic cells serving as spores.
        
                    
             
        
        
        
There are 5 levels of cell organization recognized by biologists.