| A | B |
|---|
| system | group of parts or processesthat work together in some reg. manner |
| biosphere | thin zone of the earth that supports all life community-all organisms living in certain area |
| habitat | the place where an organism lives within community |
| niche | the role that an organism fullfill in its community (what it does for its community) |
| community | all populations of dif. species that live in the same place at the same time |
| population | group of oraganisms of the same species that lives within a particular area at the same period of time |
| ecosystem | community of dif. living things (biotic factors) that interact with one another and with their nonliving environment (abiotic factors) |
| biotic factors | living things |
| abiotic factors | nonliving things |
| biome | largest recognizable components or units or parts of the biosphere (the entire surface of the Earth, that is occupied by life) |
