Cholera is caused by the bacterium, Vibrio cholerae and produces CTX (cholera toxin, choleragen)...
        
             
        
        
        
At first, the population of predators would spike and increase quickly, but then over time, gradually decrease.
(This is because at first there's more food, so the predators population increases. But overtime it begins to level out and the predators' population catches up with the prey, and in result, doesn't continue increasing.)
        
                    
             
        
        
        
Heat energy is absorbed when boiling point comes
        
             
        
        
        
Answer:
A structure is found in stems but not roots is node (option C).
Explanation:
Nodes are the structures that allow the growth of branches, leaves and flowers from the stem structure. The nodes are usually part of the plant's module, containing meristematic tissue -in the form of buds- that allows the growth of branches and leaves.
Although nodes on the trunk can form adventitious roots, roots do not have nodes.
Learn more:
Stems nodes and internodes brainly.com/question/1373895