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 simultaneously, the same bees choose the "morning" pattern in the morning and the "afternoon" pattern in the afternoon. The neotropical ant "Ectatomma ruidum" is also capable of time-place learning. They can learn to visit a feeding site in the morning, another one at midday, and a third one in the afternoon. They follow this spatio-temporal pattern even when food is withheld on test days. They then stay at the feeder for the approximate duration that food was normally available before moving on, at the right time, to the next feeder. This shows that the ants do not rely on direct