In graph, x-axis is 'Time (days)' and y-axis is 'Population Size.' The two species of 'P. aurelia' and 'P. caudatum' are represented in the graph with red and blue lines respectively. Solid lines represents the species grown together and dash lines represents the species grown in separate culture.

1. Dashed lines for both populations grows quickly and then level off.
2. Red solid line grows quickly and then level off however, blue solid line grows up but later drives to extinction.