| ecosystem definitions |
| # | Definition | Sets |
| 1 | a system formed by the interaction of a community of organisms with their physical environment | 109 sets |
| 2 | collection of all the organisms that live in a particular place, together with their nonliving environment | 79 sets |
| 3 | living and nonliving things in an environment, together with their interactions | 47 sets |
| 4 | a community of organisms and their abiotic environment | 45 sets |
| 5 | all the living and nonliving things that interact in an area | 25 sets |
| 6 | a community of organisms and their nonliving environment | 24 sets |
| 7 | community of living things plus the nonliving features of the environment that support them | 17 sets |
| 8 | a specific biological community and its physical environment interacting in an exchange of matter and energy | 16 sets |
| 9 | a community and its physical environment together | 16 sets |
| 10 | a community of living organisms and their interrelated physical and chemical environment | 15 sets |
| 11 | all the organisms in a particular location, including their non-living environment | 15 sets |
| 12 | all the living and nonliving things in an area | 15 sets |
| 13 | a system formed by the interaction of a community of organisms with their environment. | 11 sets |
| 14 | the complex community of interdependent living things in a given environment. | 11 sets |
| 15 | all the biotic and abiotic components of an environment | 11 sets |
| 16 | all living organisms in a certain area as well as their physical environment | 10 sets |
| 17 | all the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical environment. | 10 sets |
| 18 | all the living organisms that live in an area and the nonliving features of their environment | 9 sets |
| 19 | all the living and nonliving things that interact in a particular area | 9 sets |
| 20 | a collection of all the organisms that live in a particular place, together with their nonliving, or physical, environment | 8 sets |
| 21 | all the living things in an area and their physical environment | 8 sets |
| 22 | collection of all the organisms that live in a particular place, together with their nonliving environment. | 8 sets |
| 23 | ecological community together with its environment | 8 sets |
| 24 | ecological system encompassing a community and all the physical aspects of its habitat | 8 sets |
| 25 | a specific biological community and its physical environment interacting in an exchange of matter and energy. | 8 sets |
| 26 | an association of living organisms and their physical environment | 8 sets |
| 27 | a community of plants and animals living in an environment that supplies what they need to survive and thrive | 8 sets |
| 28 | composed of a biological community and its physical environment | 7 sets |
| 29 | groups of living things and the environment they live in | 7 sets |
| 30 | the community of plants and animals in a geographic region | 7 sets |
| 31 | a community and its abiotic environment | 7 sets |
| 32 | interactions among biotic and abiotic factors in a given area | 7 sets |
| 33 | a community of organisms and their non-living environment | 6 sets |
| 34 | the community of organisms that live in a particular area, along with their nonliving surroundings | 6 sets |
| 35 | organisms interacting with one another and their environment | 6 sets |
| 36 | interactions among the populations in a community and the community's physical surroundings | 6 sets |
| 37 | a communicy of organisms and their nonliving environment | 6 sets |
| 38 | all the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical environment | 6 sets |
| 39 | all of the organisms living in an area together with their physical environment | 6 sets |
| 40 | el ecosistema | 6 sets |