C. T. Cameron and P. D. Roopnarine designed the study, executed the statistical work, and edited the manuscript. P. D. Roopnarine constructed the food web and wrote the code for its framework and analysis. C. T. Cameron drafted the text, edited the food web model to test hypotheses, determined traits for the ecospace model, and conducted the literature search. Both authors have discussed the results of this work, reviewed its contents, and have consented to its submittal.