Ecological Hierarchy Levels
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
Level 3: Ecosystem
Level 1: Organism
The first level of the ecological hierarchy. This level examines how one organism interacts with its environment.
Example:
A Lion
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.
Example:
Pride of Lions
Level 3: Community
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.
Example:
The lion and gazelle