The graph shows the populations of two species in a particular region over two decades. Based on the graph, what can you conclude about the relationship between the two species?



A.
The two species have a parasitic relationship.
B.
The two species are mutualistic in nature.
C.
The two species exhibit commensalism.
D.
The two species have a prey-predator relationship.
E.
The two species have a familial relationship.