Plant Tissues What are tissues made of? Tissues are a group of cells working together to perform a...
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Plant Tissues
What are tissues made of?
Tissues are a group of cells working together to perform a certain function.
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Plant Tissues
Dermal, ground, and vascular. Neighboring cells are often connected by
plasmodesmata.
Plasmodesmata are strands of cytoplasm that pass through openings in cell walls and connect living cells.
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Plasmodesmata
Vocab: plassein: to mold desma: bond
What do plasmodesmata allow cells to share?
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Label the Plant Tissues
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Dermal Tissue Acts similar to human skin. Function:
Covers the outside of a plant, providing protection in a variety of ways.
Made of parenchyma cells
Details: Epidermis is made of live parenchyma cells. Can be made of dead parenchyma cells; makes the
outer bark of woody plants.
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Ground Tissue Surrounded by dermal tissue. Function:
Provides support and stores materials in roots and stems.
Made of all three cell types. Parenchyma is most common.
Details: Makes up much of the inside of the plant. Where you can find the chloroplast in leaves.
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Vascular Tissue
Surrounded by ground tissue. Function:
Transports water, mineral nutrients, and organic compounds to all parts of the plant.
Details: Made of two networks of hollow tubes. Xylem and Phloem
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Xylem and Phloem
Similar to our veins and arteries. Xylem: carries water and dissolved mineral
nutrients up from roots to the rest of the plant. Phloem: the vascular tissue that carries the
products of photosynthesis through the plant.
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