31. Even the fast-evolving mtDNA sequences often are incapable of properly resolving interspecies relationships. 32. Interspecies differences in metabolism can explain the difference in major metabolites is mice and rats.33. Large interspecies differences in toxicty are commonplace. 34. Interspecies communication of some crude sort.35. Interspecies matings create pregnancies with even greater maternal-fetal differences than with a normal mating.36. It was billed as the " first-ever interspecies " live chat event. 37. Even if an interspecies coupling occurs, the female's eggs may not be fertilized. 38. Some migratory populations of sandhill cranes face population threats due to interspecies competition with snow geese. 39. What follows has been dubbed " interspecies miscegenation " by film historian Thomas Doherty . ]] 40. First rule of interspecies fight club?
