| A | B |
|---|
| Ecosystem | All organisms and their physical components |
| Subsystem | Each ecosystem has a sub system which supports their own unique population of living things |
| Biosphere | A thin layer of all the environment which organisms can survive |
| Environment | An area made up of all matter and all the energy that living organisms interact with. |
| Abiotic factors | non living things |
| Abiotic factors | rainfall, temperature |
| Biotic factors | living things |
| Biotic factors | any thing that is living, deer |
| Producers | Something that makes something for other organisms. |
| Consumers | An organism that uses things up or eats other things. |
| Ecological succession | The process thatresults in chaniging the types and numbers of species of living things in an area. |
| Population | The number of individuals of one species living in the same area. |
| Wetland | Areas of land where the water level remains at or near the surface for most of the year. |
| Marshes | A wetland with grasses, pussey willows. willows |
| Swamps | A wetland with alligators. |
| Bogs | A wetland full of mosses and if you walk on the mosses the land moves. |
| Decomposer | Organisms that break down plants and animals. |
| Scavengers | Animals that eat other dead animals. |
| Climax Community | The final stage of an ecosystem. |
| The 8th grade defination of ecosystem | All the biotic and abiotic factors |
