Revision Notes

6.5 Leaf Structure

Structure of the Leaf

Structure of a leaf, IGCSE & GCSE Biology revision notesDiagram showing the cross-section of a leaf


How photosynthesising cells obtain carbon dioxide, IGCSE & GCSE Biology revision notesHow photosynthesising cells obtain carbon dioxide


Pathway of carbon dioxide from atmosphere to chloroplasts by diffusion:

atmosphere → air spaces around spongy mesophyll tissue → leaf mesophyll cells → chloroplast


Leaf structure table, IGCSE & GCSE Biology revision notes

Extended Only

Adaptations of Leaf for Photosynthesis

Adaptations of Leaf for Photosynthesis table, IGCSE & GCSE Biology revision notes

Author: Jenna

Jenna studied at Cardiff University before training to become a science teacher at the University of Bath specialising in Biology (although she loves teaching all three sciences at GCSE level!). Teaching is her passion, and with 10 years experience teaching across a wide range of specifications – from GCSE and A Level Biology in the UK to IGCSE and IB Biology internationally – she knows what is required to pass those Biology exams.

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