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Plant Processes
SOL 7.5
| Term | Definition |
|---|---|
| photosynthesis | he process by which green plants and some other organisms use sunlight to synthesize foods |
| Respiration | a process in living organisms involving the production of energy |
| Stomata | any of the minute pores in the epidermis of the leaf or stem of a plant |
| Guard cells | each of a pair of curved cells that surround a stoma |
| chlorophyll | a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. |
| chloroplast | 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 |
| light independent reaction | dark reactions, of photosynthesis are chemical reactions that convert carbon dioxide and other compounds into glucose |
| energy pyramid | An energy pyramid is a graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food chain. |
| producer | Producers are organisms that make their own food |
| mitochondrion | an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. |
| autotrophs | an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. |
| consumers | An organism that generally obtains food by feeding on other organisms or organic matter due to lack of the ability to manufacture own food from inorganic sources |
| 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, tasteless, oderless, gaseous element that abounds in the atmosphere. |
| glucose | Glucose comes from the Greek word for "sweet." It's a type of sugar you get from foods you eat, and your body uses it for energy. |
| products | a chemical substance formed as a result of a chemical reaction; "a product of lime and nitric acid" 3. |
Created by:
shawn.rogers