Osmosis - the movement of water from an area of high concentration to an area of low concentration across a semi permeable membrane. Doesn’t require energy., Active Transport - the movement of a substance from an area of low concentration to an area of high concentration against a concentration gradient. Requires energy., Xylem - responsible for transporting water and minerals from the roots up to the leaves., Phloem - transports sugars where needed in the plant., Transpiration - the loss of water by evaporation from the leaves., Transpiration Stream - the flow of water through the plant from the root to the stomata in the leaf., Factors that affect the rate of transpiration - Temperature, Light, Humidity, Water, Soil, Dermal Tissue - It allows substances to pass in and out of the plant., Ground Tissue - To store carbohydrates produced by the plant., Functions of the leaf - Photosynthesis, stores food, gas exchange, transpiration,

Monday 6th March - Ag Science

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