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ch.23 bio.

vocab

TermDefinition
cuticle a waxy layer that carves the nonwoody above ground parts of most plants.
stoma permits plants to exchange oxygen and carbon dioxide.
guard cells stomata open and close as the guard cells change shape.
vascular system a system of well developed vascular tissue that distribute more materials more efficiently.
nonvascular plant the three groups of plants lack specialized conducting vascular plant . a plant that does not have a vascular system.
vascular plant plants that have a vascular system.
seed a structure that contains the embryo of a plant.
embryo is an early stage in the development in plants and animals.
seed plants vascular plants that produce seeds.
flower a reproductive structure that produces pollen and seeds.
phloem relatively soft walled cells transport organic nutrein in the tissue.
xylem the walls of the water conductive cells in xylem are thickened.
shoot the part of a plant body that grows mostly upward.
root the part of the plants body that grows downward.
meristems zones of actively dividing plant cells.
rhizoid hair like projections.
rhizome another early seedless vascular plant also had horizontal underground stems.
fronds the coil young leaves of a fern.
cone clusters of nongreen spore bearing leaves for a structure.
gymonosperm are seed plants whos seeds do not develope in a cialed container.
angiosperm produce seeds that develope enclosed within a specialized structure pruduced by angiosperm.
fruit a specalized structure produced by angiosperm.
endosperm tissue that develops in the seeds of angiosperm and that provides food for a developing embryo.
monocots are flowering plants that produce seeds with one seed leaf.
dicots are flowering plants that produce seeds with two seed leaves.
vegetative part is a none reproductive part of a plant.
cereal are glasses that are grown as food for humans and live stock.
grain cereal glasses produce large numbers of a type of edible, dry fruit
Created by: austin5004
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