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

• purse seine
• purse string
• purse-proud
• purse-string operation
• purser
• purslane
• purslane family
• purslane speedwell
• pursual
• pursuance
• pursuant
• pursue
• pursued
• pursuer
• pursuing
• pursuit
• pursuivant
• pursy
• purulence
• purulency
• purulent
• purulent pleurisy
• Purus
• Purus River
• purvey