The different levels of organization in the environment.

An individual plant, animal, or bacteria(single celled organism)

A group of the same species in one area

The different plants and animals and how they interact

Diff. populations that interact with each other and the abiotic factors(water-abiotic)(fish-biotic)

The living(lions) and nonliving(water) factors in an environment

Many ecosystems determined by their common animals, plants, climate, and amount of rainfall

The global sum of all ecosystems.