Lorensa, S.M., Tenriawaru, A.B. and Candramila, W. 2022. Development of learning video on sub materials interaction in the ecosystem based on functional feeding group of macrobenthos. Biosfer: Jurnal Pendidikan Biologi. 15, 2 (Oct. 2022), 203-213. DOI:https://doi.org/10.21009/biosferjpb.23832.