| spatial ecology(noun, expression, study, treatment, science) |
| systems ecology(noun, expression, form, study, science) |
| theoretical ecology(noun, expression, study, treatment, science) |
| tropical ecology(noun, expression, study, treatment, science) |
| urban ecology(noun, expression, study, treatment, science) |
| agroecology(noun, study, treatment, science, knowledge) |
| amensalism(noun, study, science, structure, branch) |
| animal action |
| association(noun, form, study, science, field) |
| autoecology(noun, form, study, science, field) |
| autotroph(noun, study, science, structure, branch) |
| bacteria(noun, study, science, structure, branch) |
| biocoenosis(noun, form, study, science, field) |
| biodiversity(noun, form, study, science, field) |
| biogeochemistry(noun, study, treatment, science, knowledge) |
| biogeography(noun, form, study, science, field) |
| bioinvader(noun, study, science, structure, branch) |
| biomass(noun, study, science, structure, branch) |
| biome(noun, form, study, science, field) |
| biosphere(noun, study, science, structure, branch) |