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Unit 4 Plants

TermDefinition
xylem vascular tissue that carries water upward from the roots to every part of a plant
phloem Living vascular tissue that carries sugar and organic substances throughout a plant
stoma/stomata A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant.
guard cell control the opening and closing of stomata
transpiration the emission of water vapor from the leaves of plants
flower petals modified leaves which are usually bright in color to attract pollinators.
sepal A leaf like structure that encloses the bud of a flower of an angiosperm.
filament Supports the anther
anther In an angiosperm, the terminal pollen sac of a stamen, where pollen grains containing sperm-producing male gametophytes form.
pistil/carpel Female part of the flower. Consists of a stigma, style, and ovary
style The stalk of a flower's carpel, with the ovary at the base and the stigma at the top.
stamen Male reproductive organ of a plant that produces distinctive spores by meiosis
stigma extension of the female gametophyte, when the stigma is mature it produces a sticky substance which allows a good environment for pollen grains to adhere and interact
seed plant embryo and a food supply encased in a protective covering
pollination transfer of pollen from anther to stigma
angiosperm A flowering plant which forms seeds inside a protective chamber called an ovary.
spore single-celled reproductive bodies highly resistant to cold and heat damage; capable of new organisms
gymnosperm a woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit
taproot A main vertical root that develops from an embryonic root and gives rise to lateral (branch) roots.
fruit The ripened ovary and other structures of an angiosperm that enclose one or more seeds.
meristematic tissue plant tissue found only in the tips of shoots and roots; responsible for plant growth
ground tissue tissue between the dermal tissue and vascular tissue of a non-woody plant that functions in photosynthesis, storage, and support
vascular tissue Plant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body.
dermal tissue The protective covering of plants; generally a single layer of tightly packed epidermal cells covering young plant organs formed by primary growth.
cambium vascular tissue that produces xylem and phloem cells as a plant grows
Created by: KellyKirvin
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