Ecological Hierarchy Levels

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The living organisms in an ecosystem interact with one another and with the nonliving factors in the environment.

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Ecological Hierarchy Levels

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.

The lion and gazelle

Level 3: Community

Level 2: Population

A populatin contains a group of individual contains a group of individualsbelonging to one species an living in a specific geographical area, which interact with one another.

Pride of Lions

Level 1: Organism

The first level of the ecological hierarchy. This level examines how one organism interacts with its environment.

Example:

A Lion

Level 3: Ecosystem

Level 4: Biosphere

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

Earth