Cambridge (CIE) IGCSE Biology
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(Leaf Structure)
Leafs in Dicotyledonous Plants
Leaves in Dicotyledonous Plants: The Ultimate Photosynthesis Factories
Dicotyledonous plants, or dicots, have leaves that are perfectly adapted for photosynthesis. Their structure allows them to efficiently capture sunlight, exchange gases, and transport water and nutrients.
Key Features of Dicotyledonous Leaves
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Large Surface Area:
- Maximizes sunlight absorption for photosynthesis.
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Thin Structure:
- Shortens the distance for gas exchange ( in, out).
Parts of a Dicot Leaf and Their Functions
Tuity Tip
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Remember the Layers: Upper epidermis is for protection and transparency; lower epidermis contains stomata.
Focus on the Mesophyll: Palisade mesophyll does photosynthesis; spongy mesophyll handles gas exchange.
Transport Systems: Xylem moves water; phloem moves glucose.
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