| eco-system definitions |
| # | Definition | Sets |
| 1 | living and non-living things in an environment together with their interactions | 2 sets |
| 2 | interacting group of organisms | 1 set |
| 3 | consists of a community and all physical aspects of its habitat, such as soil, water and weather. | 1 set |
| 4 | living an d non-living things in a environment | 1 set |
| 5 | all the organisms living in the area, as well as the physical components of the environment of which they interact (air, soil, water, sunlight, etc.). | 1 set |
| 6 | biotic community and the abiotic environment. | 1 set |