Ecosystem- the interaction of a community of living organisms with the non living parts of their enviroment.
Abiotic- Non living parts of an enviroment.
Biotic-Living parts of an enviroment.
Habitat- a place in which orgnanisms live.
Community- two or more different species in an ecosystem.
Stable community- is one in which all factors are balanced therefore the populatiopn sizes remain fairly consistent.