2 IGCSE Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE SubjectClear filter Biology Exam board CIE TopicClear filter Biotechnology Resources Crossword Flashcards Multi-tool Quizsearch Revision Notes Chapter 21 - Biotechnology IGCSE, Biology Revision notes 4.5 / 5 Chapter 21 - Biotechnology IGCSE, Biology 7 flashcards Search again