Ou Reang Ov District part of Kampong Cham. The Ou Reang Ov district governor reports to His Excellency, the Governor of Tboung Khmum. The following table shows the villages of Ou Reang Ov district by commune. The district is subdivided into 7 communes ("khum") and 141 villages ("phum"). According to the 1998 Census, the population of the district was 82,806 persons in 16,940 households in 1998. With a population of over 80,000 people, Ou Reang Ou district has one of the smaller district populations in Tboung Khmum province. The average household size in Ou Reang Ou is 4.9 persons per household, which is slightly
Time-Place learning memory. The first evidence for time-place learning in animals came from studies in the 1930s on honeybees, which could be trained to visit two different feeders, one in the morning and the other in the afternoon. Subsequent work in the 1980s showed that only a few individuals in the colony were able to learn that task, and did so with more precision for the morning than for the afternoon feeding. Honeybees can also be trained to recognize one visual pattern to obtain food in the morning, and another pattern to get food in the afternoon; when presented with both patterns