| A | B |
|---|
| Succession | a series of predictable changes that occur in a community over time |
| Primary Succession | a series of changes that occur in an area where no soil or organisms exist |
| Secondary Succession | the series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist |
| Climax Community | a community of plants that is relatively stable and undisturbed |
| Pioneer species | the first species to populate an area |
| biotic | living, once living, dead |
| abiotic | nonliving (never was living) |
| species | a group of organisms that are physically similar and can mate with each other and produce offspringthat can also reproduce |
| organism | living thing |
