Answer: Rising Sea Levels
Explanation:
 
        
                    
             
        
        
        
"Coli bacteria" is the one among the following cells that <span>would not have a well-defined nucleus but would have a thick cell wall and ribosomes. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you.</span>
        
                    
             
        
        
        
Endosymbiosis is important because it is a theory that explains the origin of chloroplast and mitochondria. It is also a theory that explains how eukaryotic cells came to be.
        
             
        
        
        
In 1884, a bacteriologist named Christian Gram created a test that could determine if a bacterium had a thick, mesh-like membrane called peptidoglycan. Bacteria with thick peptidoglycan are called gram positive. If the peptidoglycan layer is thin, it's classified as gram negative.