Chapter 12 vocabulary Flashcards
Vascular Plant.
A plant that has specialized tissues that conduct materials from one part of the plant to another.
Gymnosperm
A woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit.
Angiosperm
A flowering plant that produces seeds within a fruit.
Rhizoid.
A rootlike structure in nonvascular plants that holds the plants in place and helps plants get water and nutrients.
Rhizome.
A horizontal, underground stem that produces new leaves, shoots, and roots.
Pollen.
The tiny granules that contain the male gametophyte of seed plants.
Pollination.
The transfer of pollen from the male reproductive structures to the female structures of seed plants.
Xylem.
The type of tissue in vascular plants that provides support and conducts water and nutrients from the roots.
Phloem.
The tissue that conducts food in vascular plants.
Sepal.
In a flower, one of the outermost rings of modified leaves that protect the flower bud.
Petal.
One ring or rings of the usually brightly colored, leaf-shaped parts of a flower.
Stamen.
The male reproductive structure of a flower that produces pollen and consists of an anther at the tip of a filament.
Pistil.
The female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma.
Ovary.
In flowering plants, the lower part of a pistil that produces eggs in ovules.
Nonvascular plant.
The three groups of plants ( liverworts, hornworts, and mosses) that lack specialized conducting tissues and true roots, stems, and leaves.