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| Three. Ground, vascular, and dermal. | ||
| Support structure and is a passageway for the transport of water and minerals from the soil. | ||
| vessel elements and tracheid cells. | ||
| A "highway" foro plants, assisting in the movement of sugars. | ||
| Sieve-tube elements | ||
| provides the protective outer coating for plants. | ||
| portions of the plant that are below the ground | ||
| the portions of the plant that are above the gournd | ||
| live cells that provide flexible and mechanical support found in stems and leaves | ||
| the most prominent of the three types; found in leaves are called mesophyll cells and allow CO2 and O2 to diffuse through intercellular spaces | ||
| protect seeds and support the plant | ||
| a category of xylem cell, move water more efficiently than tracheid cells | ||
| a category of xylem cell that functions in the passage of water | ||
| a coating that attemps to keep infectious agents out, and water and nutrients in | ||
| withen the epidermis, control the opening and closing of the stomata | ||
| hair-like structures extinding from root tips' surface that create a larger surface area for absorption | ||
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| structure that assists in the movements of sugars from one place to another | ||
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| roots that start as one thick root on entrance into the ground, and then divide into smaller and smaller branches | ||
| the smaller and smaller roots of a taproot system that serve to hold the plant in place | ||
| provide plants with a very strong anchor in the ground without going very deep into the soil | ||
| the cells that compose the innermost layer of the cortex, that are important because the walls between these cells create an obstacle | ||
| the obstacle made by the cells walls of the endodermis cells, which blocks water from passing | ||
| composed of a collection of cells known as the pericycle | ||
| cells that grow as long as they are alive | ||
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| a protective structure that keeps the roots from being damaged during push through soil | ||
| section of root where cells are actively dividing | ||
| next sectionup along the root, where cells absorb H2O and increase in length to make the plant taller | ||
| section of root past the zone of elongation where the cells differentiate to their finalized form |
