31. Bimodal polycyclic epidemics can also occur.32. This reveals a bimodal income distribution. 33. The third theory involves bimodal cells in the parietal cortex, specifically in the intraparietal sulcus. 34. Examples of where bimodal volcanism can be observed are the Okinawa Trough and the Sumizu Rift. 35. If sufficiently separated, these form a bimodal distribution, otherwise it simply has a wide peak. 36. Arusha and the northern highlands of Tanzania experience a bimodal rainfall pattern, with two rainy seasons. 37. This parameter requires knowledge of the variances of the two subpopulations that make up the bimodal distribution. 38. This can occur in diploid species ( with pairs of chromosomes ) when bimodal distribution of trait values. 39. Those that are active during both morning and evening twilight are said to have a bimodal activity pattern. 40. A " t " statistic generated from data set drawn from a Cauchy distribution is bimodal .