15 terms

Science Vocab Quiz

flowering vascular plants that produce a fruit containing one or more seeds; monocots and dicots
vascular tissue that produces xylem and phloem cells as a plant grows
chemical compound made out of sugar; forms tangled fibers in the cell walls of many plants and provides structure and support
waxy, protective layer that covers the stems, leaves, and flowers of many plants and helps prevent water loss
angiosperm with two cotyledons inside its seed, flower parts in multiples of four or five, and vascular bundles in rings
pairs of cells that surround stomata and control their opening and closing
guard cell
vascular plants that do not flower, generally have needlelike or scalelike leaves, and produce seeds that are not protected by fruit; conifers, cycads, ginkgoes, and gnetophytes
angiosperm with one cotyledon inside its seed, flower parts arranged in multiples of three, and vascular tissues in bundles scattered throughout the stem
plant that absorbs water and other substances directly through its cell walls instead of through tubelike structures
nonvascular plant
vascular tissue that forms tubes that transport dissolved sugar throughout a plant
first organisms to grow in new or disturbed areas; break down rock and build soil
pioneer species
threadlike structures that anchor nonvascular plants to the ground.
small openings in the surface of most plant leaves that allow carbon dioxide, water, and oxygen to enter and exit
plant with tubelike structures that move minerals, water, and other substances throughout the plant
vascular plant
vascular tissue that forms hollow vessels that transport substances, other than sugar, throughout a plant