Answer:
where is the digram but without it how we now about the error 
 
        
                    
             
        
        
        
Answer:
Explanation:
They can contain DNA or RNA as their genetic material 
 
        
             
        
        
        
Answer:
A network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. 
Explanation:
The endoplasmic reticulum is a type of organelle found in eukaryotic cells that forms an interconnected network of flattened, membrane-enclosed sacs or tube-like structures known as cisternae.
 
        
                    
             
        
        
        
The answer would be B) Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate.