The levels of organisation of an organism that lives in a biome is as follows from the lowest to the highest level of organisation:
Organism, population, biological community, ecosystem, biome and biosphere. An organism refers to a single animal in a specie. Population refers to a group of the same animal. Different populations of animals in an area make up a community. Different community of living and non living things in an area make up the ecosystem. All living and non living things in a larger area is called biome and biosphere contains all the living organisms in the earth.