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

• guide on
• guide rope
• guidebook
• guided
• Guided Bomb Unit-28
• guided missile
• guided missile cruiser
• guided missile destroyer
• guided missile frigate
• guideline
• guidepost
• guider
• guideword
• guiding
• guiding light
• guild
• sauceboat
• saucepan
• saucepot
• saucer
• saucer magnolia
• saucer-eyed
• saucer-shaped
• saucily
• sauciness