Plankton is the organisms that form the base of most open ocean food webs because fish eat plankton and bigger fish like sharks eat the little fish that eats the plankton.
        
                    
             
        
        
        
Prokaryotic cells are cells without a nucleus and has simple parts free flowing in the cell. Some examples are Escherichia Coli Bacterium (E. coli). It is a rod-shaped bacterium commonly found in the lower intestine of warm-blooded organisms. And Streptococcus Bacterium. This prokaryote is responsible for strep throat. It is an infection of the back of the throat which includes the tonsils.
        
                    
             
        
        
        
Answer:
the answer is 50 percent 
Explanation:
please give brainliest!!!
 
        
                    
             
        
        
        
The answer is A. The heart pumps blood through the circulatory system, and the lungs help the oxygen transport throughout the respiratory system. :)
        
             
        
        
        
Exothermic because it’s going away