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SCIENCE Flashcards
SCIENCE
16
Science
7th Grade
03/07/2012

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Term
Nonvascular Plant
Definition
a plant that lacks specialized conducting tissues and true roots, stems, and leaves
Term
Vascular Plants
Definition
a plant that has specialized tissues that conduct materials from one part of the plant to another
Term
Gymnosperm
Definition
a woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit
Term
Angiosperm
Definition
a flowering, plant that produces seeds within a fruit
Term
Rhizoid
Definition
a rootlike structure in nonvascular plants that hold the plants in place and helps plants get water and nutrients
Term
Rhizome
Definition
a horizontal, underground stem that produces new leaves, shoots, and roots
Term
Pollen
Definition
the tiny granules that contain the male gametophytes of a seed plant
Term
Pollination
Definition
the transfer of pollen from the male reproductive structures to the female structures of seed plants
Term
Xylem
Definition
the type of tissue in vascular plants that provides support and conducts water and nutrients from the roots
Term
Phloem
Definition
the tissue that conducts food in vascular plants
Term
Sepals
Definition
in a flower, one of the outermost rings of modified leaves that protect the flower bud
Term
Petal
Definition
one of the usually brightly colored leaf-shaped parts that make up one of the rings of a flower
Term
Stamen
Definition
the male reproductive structure of a flower that produces pollen and consists of anther at the tip of a filament
Term
Pistil
Definition
the female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma
Term
Ovary
Definition
in flowering plants, the lower part of a pistil that produces eggs in ovules
Term
Ovule
Definition
a structure in the ovary of a seed plant that contains an embryo sac and that develops into a seed after fertilization
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