| A | B |
|---|
| global warming | increase in the average temperature on Earth |
| symbiosis: | relationship in which two species live closely together |
| predation: | interaction in which one organism captures and feeds on another organism |
| mutualism: | symbiotic relationship in which both species benefit from the relationship |
| commenalism: | symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed |
| parasitism | symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it. |
| Ecological succession | gradual change in living communities that follows a disturbance |
| Immigration: | movement of individuals into an area occupied by an existing population |
