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| a form or structure modified to fit a changed environment |
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| flower part that produces pollen; located at the tip of the stamen |
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| the process by which plants or other organisms change glucose into usable energy |
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| a green pigment in plants that allows for the absorption of sunlight for photosynthesis |
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| thick and waxy outer covering of a plant that helps protect from moisture loss |
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| a period of inactivity in a seed before it germinates; occurs when conditions are unfavorable for growth |
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| occurs when a male and a female sex cell come together to form a new organism |
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| structure in which sexual reproduction occurs in plants |
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| forms as the ovary of a plant ripens around fertilized seeds; over developed ovary |
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| occurs when seeds sprout and begin to grow |
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| naturally occurring sugar that plants produce during photosynthesis |
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| special cells that change the size of the opening in stomata |
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| the continuous sequence of events by which atmospheric nitrogen and nitrogenous compounds in the soil are converted, as by nitrification(decomposition) and nitrogen fixation(lightning), into substances that can be utilized by green plants, the substances returning to the air and soil as a result of the decay of the plants and animals |
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| the process by which plants change sunlight, water, and carbon dioxide to glucose and oxygen |
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| the transfer of pollen(male reproductive cells)from the anther to the pistil of a plant |
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| flower part that contains ovules and eggs; located at the bottom of the pistil |
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| the process by which oxygen released into the atmosphere by plants and is taken up by aerobic organisms, while the carbon dioxide released as a by-product of respiration is taken up for photosynthesis |
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| leaf-like structure that forms a circular shape around the top of a flower stem and its reproductive parts |
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| female reproductive structure in a flower |
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| any organism that can make its own food(autotroph) |
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| grow into the ground and transport water and minerals to the plant |
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| modified leaf that surrounds a flower as it develops |
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| any thing that causes a reaction in an organism |
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| small pores that allow for the exchange of gases in and out of the plant |
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| source of energy for plants; used in photosynthesis |
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| the loss of water in plants, which occurs as stomata open |
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| a plant's movement toward(positive) or away(negative) from a stimulus |
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| the natural sequence through which water passes into the atmosphere as water vapor, precipitates to earth in liquid or solid form, and ultimately returns to the atmosphere through evaporation |
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