| factor(noun, influence, system, element) |
| environment(noun, nature, ecology, geography) |
| nature(noun, system, harmony, existence) |
| biotic(adjective, environment, ecology, ecosystem) |
| biosphere(noun, biology, environment, sphere, enviroment) |
| ecology(noun, environment, science, society, enviroment) |
| ecosystem(noun, environment, ecology, living, enviroment) |
| geology(noun, environment, science, structure, enviroment) |
| habitat(noun, environment, habitation, homeland, enviroment) |
| influence(noun, process, behavior, affection) |
| fauna(noun, biology, environment, ecology) |
| biology(noun, body, science, living) |
| biotic climax(expression, biology, climax, enviriment) |
| flora(noun, biology, environment, ecology) |
| affection(noun, process, people, behaviour) |
| creature(noun, environment, fauna, living) |
| energy(noun, power, living, necessity) |
| environmental condition(expression, environment, condition, ecology) |
| living condition(expression, environment, condition, ecology) |
| living thing(expression, creature, thing, living) |