Looking for a friend because i'm bored and need friends

What is the missing step in this proof? scroll down to see the entire proof.u

4sentences over a chronicle of a teen killer

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.