Though both are unicellular, bacteria doesn’t possess a nucleus or cell organelles, except ribosomes, whereas amoebas possess a well-defined nucleus and all essential cell organelles.
Both bacteria and
amoeba are single-celled organisms. They both have ribosomes.
Bacteria is a
prokaryote. It lacks membrane-bound nucleus, mitochondria, chloroplasts or any
membrane-bound organelles.
Amoeba is a eukaryote.
It has a "true" nucleus containing its DNA and organelles which is
responsible for energy production and protein transport.<span>
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Answer:
D
Explanation:
A process that changes the composition of rocks causing them to break down. 
 
        
                    
             
        
        
        
I believe A. Nitrogen is the most abundant Gas.
        
                    
             
        
        
        
B is the answer?!? Sorry if im wront
        
             
        
        
        
Answer:
A. Specialized cells are made up of tissues 
Explanation:
Cells make up tissues, tissues make up organs, organs make up organ systems and organ systems make up an organism. 
All the other options are correct, but cells are not made up of tissues. 
Hope this helps!