What's biomes? Biomes are defined as: "the world's major communities, classified according to the predominant vegetation(植被) and characterized by adaptations of organisms to that particular environment"(Campbell 1996) 4 4 What’s biomes? • Biomes are defined as ： “the world‘s major communities, classified according to the predominant vegetation（植被） and characterized by adaptations of organisms to that particular environment" (Campbell 1996)