| A | B |
|---|
| Symbiosis | Where two organisims live together in close assosiation |
| Parasitisim | Flea and a dog |
| Mulualisim | Coral algea |
| Urban Sprawl | Low density development outsidecity boundaries |
| Intensifacation | Policy saying much development must be done within city boundaries |
| Bioremidiation | When plants and fungi are planted to reduce toxins in soil |
| Bioaugmentation | When organisims are planted to add nutrients |
| Ecological niche | a bug being a decomposer |
| Competition | When 2 or more organisims compete for the same resourec at the same place at the same time |
| Bottom up regulation | Shortage of producers causes decline of animals further up the food chain |
| Top down regulation | Population of the prey increases causeing the predator to increase, eventually both will decline |
| Threats to biodiveristy | Habbitat loss, Alien species, over exploytation, extinction |
| Extinction | all induviduals of one species die |
| Biodiversity crisis | number of species on earth are at severe risk |
| Environmental Stewardship | The idea we are responsible for looking after the biosphere |
| Key stone species | One the can greatly affect popukation and health of overall ecosystem |
| Restoring altered ecosystems | renewal of degraded or distroyed ecosystems through human intervention |
| Limiting factor | A factor that limits the growth of a population |
| Biocontrols | use of one species to control population growth |
| Ways to cotrol alein species | Biocontrols, Chemicals |
