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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, 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
chloroplasts a plastid that contains chlorophyll and in which photosynthesis takes place (plants kitchen)
light dependent reaction use light energy to make two molecules needed for the next stage of photosynthesis
light independent reaction chemical reactions that convert carbon dioxide and other compounds into glucose.
Energy pyramid graphical model of energy flow in a community. The different levels represent different groups of organisms that might compose a food chain.
producer organisms that make their own food; they are also known as autotrophs.
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 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 feed 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.
carbon dioxide a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air
glucose a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates
products cellular product is something "manufactured" by an organelle (such as the Golgi apparatus)
Created by: mia.jones