Concept:Identifying the habitat that does not occur in West Africa.Explanation:West Africa is located mainly in the tropical and subtropical zones.Mangrove swamps are found along its coastal regions.Sahel savanna and savanna grassland are common inland habitats.Temperate grassland is typical of cooler temperate regions, such as parts of North America or Eurasia.Therefore, temperate grassland is not a natural habitat found in West Africa.Answer:D. temperate grassland