Answer:
The answer is a. Annelida
 
        
             
        
        
        
The most specific would be felis catus. That is the name of the species in biology, and there are no more taxonomic divides after species.
        
                    
             
        
        
        
Answer:
why would scientists conduct investigations on a newly discovered alternative fuel?
to confirm that the alternative fuel is cleaner than fuels currently used
Explanation:
As an alternative fuel, it must be validated whether it is better than the one currently in use
 
        
             
        
        
        
Answer:
The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants. They make their own food.
Explanation: