6 Levels of Ecological Hierarchy

6 Levels of Ecological HierarchyEcosystemBiomeBiosphereCommunityPopulationIndividualThe first level of the ecological hierarchy. This level examines how one organism interacts with its environment.A population contains a group of individual organisms of the same species and living in a specific geographic area -- which interact with one another.The community level focuses on the relationship between different species in a community. Predator and prey relationships play a large role in community-level analyses.An ecosystem is that it is a community or group of living organisms that live in and interact with each other in a specific environment.A biome is an area of the planet that can be classified according to the plants and animals that live in it.The biosphere represents the totality of all things on Earth, including their interactions. The biosphere includes all ecosystems on Earth and how they interact together.Example: an elephantExample: a parade of elephantsExample: the elephant and the crocodileExample: a wetland in East AfricaExample: grasslandExample: the Earth