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vocab 2
Term | Definition |
---|---|
unit | units are standards for measurement of physical quantities that need clear definitions to be useful |
organism | an individual animal, plant, or single-celled life form. |
biotic/abiotic | relating to or resulting from living things,physical rather than biological; not derived from living organisms. |
unicellular | an organism that consists of only one cell, |
multicellular | Having or consisting of many cells or more than one cell to perform all vital functions. |
prokaryotic | Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. |
eukaryotic | any organism having as its fundamental structural unit a cell type that contains specialized organelles in the cytoplasm, |
binomial nomenclature | the system of nomenclature in which two terms are used to denote a species of living organism, |
kingdom | The highest classification into which living organisms are grouped in Linnean taxonomy, |
prefix | a word, letter, or number placed before another |
homeostasis | the tendency toward a relatively stable equilibrium between interdependent elements, |
excretion | Excretion is the process by which metabolic wastes and other non-useful materials are eliminated from an organism |
synthesis | The combining of separate elements or substances to form a coherent whole. |
respiration | the action of breathing. |
transport | The movement of ions or molecules across a cell membrane in the direction opposite that of diffusion |
autotrophic | An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia. |
heterotrophic | An organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances |
egestion | the discharge or expulsion of undigested material |
reproduction | The production of offspring by organized bodies |
metabolism | the chemical processes that occur within a living organism in order to maintain life. |