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15 terms

Holt Science and Technology Life Science Chapter 12 Introduction to Plants Vocabulary Quiz Test

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nonvascular plant
the three groups of plants that lack specialized conducting tisues and true roots, stems, and leaves
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 root stucture in non-vasular plants that holds the plants in place and helps plants get water and nutrients
rhizome
a horizontal undergroud 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 reroductive stuctures 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
sepals
in a flower, one of the outermost rings of modified leaves that protect the flower bud
petals
one of the ring or rings of the usually bright colored leaf-shaped parts of a flower
stamen
the male repoductive structure of a flower that produces pollen and consist of an anther at the tip of a filament
pistol
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