binomial nomenclature the nomenclature used in scientific classification of living organisms in which each organism is designated by two latinized names (genus and species), both of which must always be used because species names are not necessarily unique.inomial nomenclature the nomenclature used in scientific classification of living organisms in which each organism is designated by two latinized names (genus and species), both of which must always be used because species names are not necessarily unique.
Africa.com recently released a list highlighting the 10 Most Liveable Cities in Africa. 1  Cape Town, South Africa. 2  Accra, Ghana. 3  Nairobi, Kenya. 4  Johannesburg, South Africa. 5  Gaborone, Botswana. 6  Libreville, Gabon. 7  Tunis, Tunisia. 8  Dar es Salaam, Tanzania. 9  Windhoek, Namibia. 10  Kigali, Rwanda.
Douala is the 27th most expensive city in the world and the most expensive in Africa, overtaking Lagos. It is ranked 27th for 2009, up from 34th in 2008.