Individual--one specific organism Biological population--a group of individuals of the same species living together at on place at one time. Biological community-- all the populations that live in one area. Ecosystem--An abiotic interaction of a area and the biotic community that lives in the area. Biome--a large area with characteristic climate. Biosphere-- all of the places where life exists and interacts with the physical environment. If you just wanted the 6 steps without the definitions the here they are: Individual Biological population biological community Ecosystem Biome Biosphere
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