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15 Cards in this Set

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  • Back
Compare and contrast the arrangement of xylem and phloem in dicot roots and stems.
In dicot roots, xylem forms a star-shaped figure in the center with phloem between the star rays. In stems, xylem and phloem are arranged in bundles that form a circle with the phloem outside of the xylem.
Infer where you would expect to find stomata in a plant with leaves that float on water, such as a water lily. Explain.
Stomata would be on the upper surface that is exposed to the air. This will allow for gas exchange
Describe the primary function of most leaves. List some other functions of leaves.
The primary function is to trap light energy for photosynthesis. Some are modified for storage and protection.
Explain how guard cells function and regulate the size of a stoma.
When filled with water, guard cells swell and bow out, opening the stoma. When the cells outside of a guard cell have less water, the guard cells release the water and close the stoma.
Compare and contrast the function and structure of the epidermis and the endodermis in a vascular plant.
The endodermis and epidermis both control water movement. Endodermal cells are within the root and have waterproof walls. The flattened epidermal cells form the outer covering of a plant.
Summarize the structure and functions of roots, stems, and leaves.
Roots anchor the plant, absorb water and dissolved minerals, and transport material up to the stem. Stems provide support and transport water, dissolved minerals, and sugars to and from roots and leaves. Leaves function in photosynthesis and gas exchange.
layer of ground tissue in the root that is involved in the transport of water and ions into the vascular tissue of the root.
single layer of cells that forms a waterproof seal around a root's vascular tissue; controls the flow of water and dissolved minerals into the root
in plants, the layer of cells just within the endodermis that gives rise to lateral roots.
tough, protective layer of parenchyma cells that covers the tip of a root.
root cap
any part of a plant that stores sugars produced during photosynthesis.
movement of sugars in the phloem of a plant.
in plants, the stalk that joins the leaf blade to the stem.
photosynthetic tissue of a leaf.
in plants, the loss of water through stomata