Environment Definition Total surroundings—natural and human, living and non-living elements Biome A major vegetation community Ecosystem A biological community of interacting organisms and their physical environment Anthrome A biome reshaped by humans Environment Definition Total surroundings—natural and human, living and non-living elements Biome A major vegetation community Ecosystem A biological community of interacting organisms and their physical environment Anthrome A biome reshaped by humans Environment Definition Total surroundings—natural and human, living and non-living elements Biome A major vegetation community Ecosystem A biological community of interacting organisms and their physical environment Anthrome A biome reshaped by humans