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Plant Processes

SOL 7.5

TermDefinition
Photosynthesis Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Respiration The action of breathing.
Stomata Any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of a 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 Its molecule contains a magnesium held in a porphyrin ring.
Chloroplast (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
Light dependent reaction Uses light energy to make two molecules needed for the next stage of photosynthesis.
Light independent reaction 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 Is an organism, either a green plant or bacterium, which is part of the first level of a food chain.
Mitochondria An organelle found in large numbers in most cells, in which the biochemical processes of respiration of energy production occur.
Autotrophs an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Consumers Are organisms that eat organisms from a different population.
Herbivore A organism that only eat plants.
Omnivores Eats both plants and animals.
Heterotrophs A organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter.
Carnivores A animal that eats a diet consisting mainly of meat.
Decomposers Are organisms that break down dead or decaying organisms, and in doing so, they carry out natural process of decompostion.
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 columnar cells rich in chloroplasts found beneath the upper epidermis of foliage leaves.
raw materials crude or processed material that can be converted by manufacture, processing, or combination into a new and useful product wheat.
Oxygen a colorless, odorless, tasteless, gaseous chemical element that occurs free in the atmosphere, forming one fifth of its volume, and in combination in water, sandstone, limestone, etc.
Carbon dioxide is a colorless, odorless gas found in our atmosphere. Its chemical formula is CO2, which means it is one carbon atom bonded to two oxygen atoms.
Glucose is the main type of sugar in the blood and is the major source of energy for the body's cells.
Products Is a substance that is formed as the result of a chemical reaction.
Created by: Kaniya.dorsey