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plant processes
sol 7.5
| Term | Definition |
|---|---|
| photosynthesis | hotosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct. |
| respiration | a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances. |
| stomata | 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 spaces. |
| guard cells | each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells. |
| chlorophyll | a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring. |
| chloroplast | (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place. |
| light dependent reaction | use light energy to make two molecules needed for the next stage of photosynthesis the energy storage molecule ATP and the reduced electron carrier NADPH. |
| light independent reaction | or dark reactions, of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose. |
| energy pyramid | is a graphical model of energy flow in a community. |
| producer | a person, company, or country that makes, grows, or supplies goods or commodities for sale. "an oil producer" |
| mitochondrion | an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form |
| autotrophs | an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. |
| consumers | a person who purchases goods and services for personal use. |
| herbivore | an animal that feeds on plants. |
| omnivores | an animal or person that eats food of both plant and animal origin. |
| heterotrophs | an organism deriving its nutritional requirements from complex organic substances. |
| carnivores | an animal that feeds on flesh. |
| decomposers | an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material. |
| spongy layer | a layer of loosely packed and irregularly shaped chlorophyll-bearing cells that fills the part of a leaf between the palisade layer and the lower epidermis -- called also spongy parenchyma, spongy tissue. |
| palisade layer | a layer of parallel elongated cells below the epidermis of a leaf. |
| raw materials | the basic material from which a product is made. |
| oxygen | a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air |
| carban dioxide | a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. |
| glucose | It's a type of sugar you get from foods you eat, and your body uses it for energy. |
| products | is a system made available for consumer use; it is anything that can be offered to a market to satisfy the desire or need of a customer. |
Created by:
Elnora.Price
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