1 International Baccalaureate Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter International Baccalaureate SubjectClear filter Biology TopicClear filter 1.4 Definitions Resources Flashcards Multi-tool Biology HL 1.4 Definitions International Baccalaureate, Biology 5 flashcards 5.0 / 5 Search again