what is the source of energy for all ecosystems Share with your friends Share 0 @@@sam*** Ok answered this Sun and air 0 View Full Answer Riza Noor answered this Gm shivam 0 Anshika answered this Sunn 0 Shivam Yadav answered this Thanks 0 Shivam Yadav answered this GM diii 0 Pahal Narang answered this Sun is the source of energy for all ecosystems. 0 Prachi Gupta answered this Sun, sugar produced in ecosystem, atp ,green plants 0