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vocab words

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Term
Definition
unit   a quantity chosen as a standard in terms of which other quantities may be expressed  
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organism   n individual animal, plant, or single-celled life form.  
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biotic/abiotic   Biotic factors are all of the living organisms within an ecosystem. Abiotic factors are all of the non-living things in an ecosystem.  
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unicellular   characterized by the formation or presence of a single cell or cells.  
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multicellular   having or consisting of many cells.  
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prokaryotic   a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle.  
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eukaryotic   An organism whose cells contain a nucleus surrounded by a membrane and whose DNA is bound together by proteins (histones) into chromosomes.  
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binomial nomenclature   the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet.  
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kingdom   a taxonomic category of the highest rank, grouping together all forms of life having certain fundamental characteristics in common  
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prefix(es)   a letter or series of letters attached to the beginning of a word, word base, or suffix to produce a derivative word with a new meaning  
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homeostasis   refers to the ability of the body or a cell to seek and maintain a condition of equilibrium or stability within its internal environment when dealing with external changes.  
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excretion   the process by which metabolic wastes and other non-useful materials are eliminated from an organism.  
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sysnthesis   The combining of separate elements or substances to form a coherent whole.  
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respiration   the act of respiring; inhalation and exhalation of air; breathing.  
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transport   The act or means of moving molecules or ions across (cell membrane) or through (bloodstream) (general) The movement (of something) from one place to another.  
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autotrophic   An organism capable of synthesizing its own food from inorganic substances using light or chemical energy  
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heterotrophic   An organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter.  
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egestion   The act or process of voiding or discharging undigested food as faeces.  
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reproduction   the production of offspring by a sexual or asexual process.  
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metabolism   the chemical processes that occur within a living organism in order to maintain life.  
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