Answer:
C
Explanation:
Ecological relationships exist between organisms in an ecosystem. MUTUALISM is one of these ecological relationships in which both organisms involved benefits from the relationship. It usually occurs in a way that the actions of one favors the other. 
In this example, the bees feed on nectar produced by the flower a plant and carries pollen along when it feeds on the nectar produced by the flower of another plant. The bees are getting fed, thanks to the plant, while the plant is getting cross-pollinated, thanks to the bee.
 
        
             
        
        
        
Answer:
this is your answer take it 
Explanation:
And mark me brainlist please like also
 
        
             
        
        
        
I believe the answer would be C. pleas brainliest
        
                    
             
        
        
        
Answer:
Size of pot
Explanation:
The size of the pot is the only variable changed from the control group in this experiment.
 
        
                    
             
        
        
        
Answer:
a. are often transmitted by fecal contaminated water and food. 
Explanation:
<em>Eschericia coli</em> belongs to a group of bacteria generally referred to as fecal coliforms because they are of fecal origin. 
<em>Hence, their common mode of transmission is through fecal to oral routes such as fecal contaminated food, water and any other substance that passes through the mouth.</em>
<em>E. coli </em>infections can be treated using suitable antibiotics.
The correct option is a.