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Biology A level

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Question:

Structure of the leaf adaptations

Author: Eva K 3sq0



Answer:

- LSA: absorbs as much sunlight as possible - Leaves arranged to minimise overlapping: avoids shadowing - Thin: shorter diffusion distance - Transparent cuticle + epidermis: let light through to mesophyll cells - Many stomata: gaseous exchange, short diffusion path to MC, open + close in response to light intensity - Air spaces: lower mesophyll layer to allows rapid diffusion - Xylem and phloem


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