1. Characterized by the interdependence of living organisms in an environment
   - ecological 
2. Of or relating to the science of ecology
   - ecological, bionomical, bionomic

See also: ecology

• organ loft
• organ of Corti
• organ of hearing
• organ of speech
• organ pipe
• organ stop
• organ transplant
• organ-grinder
• organdie
• organdy
• organelle
• organic
• organic brain syndrome
• organic chemistry
• organic compound
• organic disorder
• organic evolution
• organic fertiliser
• organic fertilizer
• organic law
• organic light-emitting diode
• organic phenomenon
• organic process
• organic structure
• organically