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Plant Processes

SOL 7.5

TermDefinition
Photosynthesis The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
Respiration a process in living organisms involving the production of energy
Stomata open and close to allow the intake of carbon dioxide and the release of oxygen
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.
Chloroplast (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place
Light dependent reaction The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis
Light independent reaction The light-independent reactions, or 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.
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
Omnivore 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 or plant (particularly insect- and invertebrate-eating plants) that requires a staple diet consisting mainly or exclusively of animal tissue through predation or scavenging.
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
Palisades 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.
Carbon dioxide a colorless, odorless gas produced by burning carbon and organic compounds and by respiration
Glucose a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.
Products a substance produced during a natural, chemical, or manufacturing process.
Created by: Xyrus.Woolford