1. Its heterogeneous population is highly diverse in ethnicity, culture, language and religion. 2. Cameroon has an extremely heterogeneous population , consisting of approximately 250 ethnic groups. 3. This influx is responsible for the heterogeneous population that is found today. 4. This allows for the study of specific homogeneous populations within a heterogeneous population . 5. The greatest challenge to national unity was Mauritania's heterogeneous population . 6. In clinical trials and statistics the concepts of homogeneous and heterogeneous populations is important. 7. The region was home to a mostly-rural, heterogeneous population . 8. The book also discusses Flegr's model of " frozen heterogeneous populations of sexual reproducing organisms. 9. Koniocellular cells are a heterogeneous population differing in many aspects, such as response properties and connectivity. 10. In situ hybridization confirms a heterogeneous population of adenylyl cyclase mRNAs is expressed in the brain.