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Plants Ch. 3 Vocab

Plant vocab

QuestionAnswer
Cuticle waxy, protective layer that covers the stems, leaves, and flowers of many plants and helps prevent water loss.
Cellulose chemical compound that forms tangled fibers in the cell walls of many plants and provides structure and support.
Vascular plant has tubelike structures that move minerals, water, and other substances throughout the plant.
Nonvascular plant absorbs water and other substances directly through its cell walls instead of through tubelike structures.
Rhizoid threadlike structures that anchor nonvascular plants to the ground.
Pioneer species first organisms to grow in new or disturbed areas; break down rock and build up decaying plant material so that other plants can grow.
Stomata tiny openings in a plant's epidermis through which carbon dioxide, water vapor, and oxygen enter and exit.
Guard cell pairs of cells that surround stomata and control their opening and closing.
Xylem vascular tissue that forms hollow vessels that transport substances, other than sugar, throughout a plant.
Phloem vascular tissue that forms tubes that transport dissolved sugar throughout a plant.
Cambium vascular tissue that produces xylem and phloem cells as plants grow.
Gymnosperm vascular plants that do not flower, generally have needlelike or scalelike leaves, and produce seeds that are not protected by fruit; conifers, cycads, ginkoes, and gnetophytes.
Angiosperm flowering vascular plants that produce fruits containing one or more seeds; monocots and dicots.
Monocot angiosperm with one cotyledon inside its seed, flower parts in multiples of three, and vascular tissues in bundles scattered throughout the stem.
Dicot angiosperm with two cotyledons inside its seed, flower parts in multiples of four or five, and vascular bundles in rings.
Created by: ecstiglich
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