Use the graph above to answer the following question. this graph shows the population trends of five populations over time. which statement is the best explanation for the changes in population e?

a. the decline in b and d reduced the competition for resources resulting in an increase in species e.

b. individuals of species e immigrated into this habitat from the surrounding areas

c. species e started eating species a because the increase in e occurs concurrently with the decrease in a

d. species c moved into the niche previously occupied by species b resulting in an increase in species e