Ecology
The study of living organisms in their environment.
Ecosystem
A community of living organisms sharing an environment.
Abiotic Factors
Non-living conditions which can influence where plants and animals live.
Biotic Factors
These are the living parts of the human system–the animals, plants and microorganisms.
Niche
All the interactions of a species with the other members of its community including: competition, predation, parasitism and mutualism.
Population
A group of organisms of one species that interbreed and live in the same place at the same time.
Community
All the populations if different student.
Species
The largest group of organisms, capable of interbreeding and producing fertile offspring.