ecosystems- lqc 5 Flashcards
ecosystem
A community of living organisms and their physical environment in an area, which is self-sustaining.
habitat
The environment with a distinct set of conditions where a species or a group of species live
community
Populations of living things interacting with each other in a habitat or ecosystem
population
A group of interbreeding organisms of the same species living together in the same area at the same time
abiotic
Non-living/physical} factors of the environment
biotic
Living factors of the environment
abiotic factors
- Aspect
- Gradient
- Wind speed
- Wind direction
- Soil (edaphic) – pH, moisture, composition, compaction
- Mineral ion concentration
biotic factors
- Interspecific competition
- Intraspecific competition
- Predation
- Grazing
- Mutualism
- Parasitism
- Trampling
what are anthropogenic factors
The abiotic or biotic factors arising from human activity i.e. grazing, trampling
niche
The role that an organism plays in a habitat. If two {individuals/species} share the same niche they will compete until one out-competes the other.