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29 Cards in this Set
- Front
- Back
Phloem
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The vascular tissue through which food moves in some plants.
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Xylem
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The vascular tissue through which water and nutrients move in some plants.
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Pollen
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Tiny particles (male gametophytes) produced by seed plants that contain the cells that later become sperm cells.
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Seed
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The plant structure that contains a young plant inside a protective covering
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Embryo
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The young organism that develops from a zygote.
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Cotyledon
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A seed leaf
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Germination
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The sprouting of the embryo out of a seed
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Stomata
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The small openings on the surfaces of most leaves through which gases can move.
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Transpiration
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The process by which water is lost through a plant’s leaves.
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Gymnosperm
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A plant that produces seeds that are not enclosed by a protective fruit
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Cone
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The reproductive structure of a gymnosperm.
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Ovule
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A plant structure in seed plants that produces the female gametophyte
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Pollination
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The transfer of pollen from male reproductive structures to female reproductive structures in plants.
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Angiosperm
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A flowering plant that produces seeds enclosed in a protective structure
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Flower
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The reproductive structure of an angiosperm.
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Fruit
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The ripened ovary and other structures of an angiosperm that enclose one or more seeds
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Monocot
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An angiosperm that has only one seed leaf.
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Dicot
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An angiosperm that has two seed leaves.
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Tropism
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The growth response of a plant toward or away from a stimulus.
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Hormone
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A chemical that affects growth and development.
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Auxin
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A plant hormone that speeds up the rate of growth of plant cells.
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Photoperiodism
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A plant’s response to seasonal changes in length of night and day
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Dormancy
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A period when an organism’s growth or activity stops
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Annual
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A flowering plant that completes its life cycle in one growing season.
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Biennial
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A flowering plant that completes its life cycle in two years.
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Perennial
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A flowering plant that lives for more than two years
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Precision farming
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A farming method in which farmers use technology to fine-tune the amount of water and fertilizer they use to match the requirements of a specific field.
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Hydroponics
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A farming method in which plants are grown in solutions of nutrients instead of soil.
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Genetic Engineering
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The process of altering an organism’s genetic material to produce an organism with qualities that people find useful.
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