| A | B |
|---|
| succession | the replacement of one community by another community over a period of time |
| pioneer community | the first community with little variation of living things |
| natural disaster | volcano erupting, forest fire,earthquake |
| climax community | the last community, usually a forest with an abundance of living things |
| marsh community | the 3rd community in which the lake is filled in with debre and becomes shall. There is an abundance of life |
| lake community | the 2nd community that begins to attract a variety of life. |
| Mount Saint Helens | An example of succession |
| communities | when two or more species of organisms live together |
| city succession | when humans move in and change the landscape over time into a city |
| logging | cutting down trees for human us |
| clear cutting | cutting every tree down for miles |
| erosion | rain and weather that washes away the topsoil into nearby streams and lakes |
