By: Gates Harrell
Three Categories of Ecosystems: Freshwater, Ocean, Terrestrial
The Levels of the Ecosystem are the Individual, Population, Community, Ecosystem, Biome, and Biosphere.
An example of an organisms habitat and its niche. Let's use a squirrel for an example. A squirrels habitat is a tree. Its niche is to collect acorns so that he will have food for him or who ever is with him.