2 Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevel AS IGCSE SubjectClear filter Biology Exam board All boards WJEC TopicClear filter Transport In Plants Resources Crossword Flashcards Multi-tool Quizsearch Revision Notes The Mechanism Of Opening And Closing Of Stomata AS, Biology Revision notes 5.0 / 5 Transport In Plants IGCSE, Biology 33 flashcards Search again