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Unit 5
Structure and Living Organisms Plants
Term | Definition |
---|---|
Angiosperm | seed-producing plants that are flowering |
Flowering | in bloom |
Petal | each of the segments of the corolla of a flower, which are modified leaves and are typically colored. |
Sepal | each of the parts of the calyx of a flower, enclosing the petals and typically green and leaf like. |
Stamen | the male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament. |
Anther | the male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament. |
Pistil | the female organs of a flower, comprising the stigma, style, and ovary. |
Ovary | the hollow base of the carpel of a flower, containing one or more ovules. |
Ovule | the part of the ovary of seed plants that contains the female germ cell and after fertilization becomes the seed. |
Pollination | the transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization. |
Producers | things that can make their own food |
Matter | anything that has mass and takes up space |
Fungi | any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter |
Bacteria | a member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus |
Dormancy | the state of having normal physical functions suspended or slowed down for a period of time |
Fertilization | the action or process of fertilizing a plant |
Germination | the development of a plant from a seed or spore after a period of dormancy |
Decomposers | an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material |
Consumers | living organisms that get their food from producers or other consumers |
Tropism negative tropism | a biological phenomenon in response to an environmental stimulus |
positive tropism | a positive response to an environmental stimulus |
negative tropism | a negative response to an environmental stimulus |
limiting factor | A condition whose absence or excessive concentration, is incompatible with the needs or tolerance of a species or population and which may have a negative influence on their ability to thrive. |
Biome | a large naturally occurring community of flora and fauna occupying a major habitat. |
abiotic factor | A non-living chemical or physical factor in the environment |
transportation | the movement from one place to another over a certain distance |
stomata | the plural of stoma, which is any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width that allows movement of gases in and out of the intercellular |
epidermis | the outer layer of cells covering an organism, in particular |
guard cells | each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells. |
crystallization | a process that forms or causes crystals. |
pedosphere | That component of the biosphere comprising the soil and soil organisms. |
soil fertility | the ability of soil to provide plant nutrients. |
pH | a measurement of the acidity or baseness of a substance |
particle size | a notion that compares the sizes of solid, liquid, and gas particles |
vector | an organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another |
stewardship | the occupation of managing and taking care of something, such as the environment |