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Page 1

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B2 revision guide

Part of plant Use and adaptation
Waxy cuticle Waterproof layer which prevents water loss
Palisade mesophyll cells Top of the leaf, full of chloroplasts to capture as
much light energy as possible. They have a long
shape which leaves a large surface are on the
side to…

Page 2

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B2 revision guide

Oil& starch Glucose protein for growth

Transpiration: the loss of water vapour through stomata of a leaf. The waxy cuticle helps to prevent
water loss under normal conditions. Transpiration is quickest in hot, dry, windy conditions.
Transpiration is needed to draw up more water from the roots…


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