| environment(noun, state, biology, position, condition) |
| competition(noun, nature, feature, environment) |
| parasitism(noun, nature, feature, environment) |
| predation(noun, nature, feature, environment) |
| ecological disaster(expression, nature, feature, environment) |
| environmental accident(expression, nature, feature, environment) |
| environmental catastrophe(expression, nature, feature, environment) |
| environmental collapse(expression, nature, feature, environment) |
| environmental disaster(expression, nature, feature, environment) |
| sustainable agriculture(expression, nature, feature, environment) |
| commensalism(noun, nature, feature, environment) |
| mutualism(noun, nature, feature, environment) |
| nature(noun, environment, part, condition, setting) |
| ecological design and ecological engineering(expression, nature, feature, environment) |
| epitome(noun, being, essence, quiddity, essentiality) |
| wild(noun, nature, environment, part, world) |
| ambient(noun, atmosphere, context, climate, clime) |
| amplitude(noun, nature, feature, environment) |
| chronosystem(noun, nature, feature, environment) |
| clustering(noun, nature, feature, environment) |