1 Environmental Science/Studies resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevel IGCSE SubjectClear filter Environmental Science/Studies Exam board CIE TopicClear filter Basics of ecosystems Resources Crossword Flashcards Multi-tool Quizsearch Ecosystems IGCSE, Environmental Science/Studies 9 flashcards 3.0 / 5 Search again