Questions and Answers
What 2 tissues are found within a vein?
Xylem & Phloem
What does the word mesophyll mean?
middle layer
What 2 layers of the plant contain chloroplasts?
Palisade & spongy
What are the outermost layers of cells?
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What is the waxy covering of the leaf called?
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Which cells function to open and close stomata?
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What is the outer layer of the vein?
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What are the column-like cells that lie just under the epidermis?
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What are the openings that allow for gas exchange called?
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What is the stalk that connects the leaf to the stem?
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Study Notes
Leaf Anatomy
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Vein Composition: Comprised of two primary tissues, xylem (transports water) and phloem (transports nutrients).
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Mesophyll Definition: Refers to the middle layer of the leaf where photosynthesis occurs.
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Chloroplast Locations: Chloroplasts, vital for photosynthesis, are found in two layers: the palisade (upper layer) and spongy mesophyll (lower layer).
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Epidermis Role: The outermost layers of cells that protect the leaf and reduce water loss.
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Cuticle Function: A waxy covering on the leaf that prevents water loss and offers protection against pests and diseases.
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Guard Cells Purpose: Specialized cells that regulate the opening and closing of stomata to control gas exchange and water loss.
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Bundle Sheath Cells: The outer layer surrounding the vascular bundle in veins, providing support and protection.
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Palisade Structure: Tall, column-like cells located just beneath the epidermis, primarily responsible for capturing sunlight in photosynthesis.
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Stomata Functionality: Openings on the leaf surface that facilitate gas exchange, allowing carbon dioxide in and oxygen out.
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Petiole Definition: The stalk that connects the leaf to the stem, aiding in support and transport of nutrients and water.
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Description
Test your knowledge of leaf anatomy with this set of flashcards. Each card covers essential terms and definitions related to the structure and function of leaves, including tissues, layers, and specific functions. Perfect for students studying plant biology or botany.
