Term | Definition |
unit | a quantity chosen as a standard in terms of which other quantities may be expressed |
organism | n individual animal, plant, or single-celled life form. |
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. |
unicellular | characterized by the formation or presence of a single cell or cells. |
multicellular | having or consisting of many cells. |
prokaryotic | a unicellular organism that lacks a membrane-bound nucleus, mitochondria, or any other membrane-bound organelle. |
eukaryotic | An organism whose cells contain a nucleus surrounded by a membrane and whose DNA is bound together by proteins (histones) into chromosomes. |
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. |
kingdom | a taxonomic category of the highest rank, grouping together all forms of life having certain fundamental characteristics in common |
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 |
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. |
excretion | the process by which metabolic wastes and other non-useful materials are eliminated from an organism. |
sysnthesis | The combining of separate elements or substances to form a coherent whole. |
respiration | the act of respiring; inhalation and exhalation of air; breathing. |
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. |
autotrophic | An organism capable of synthesizing its own food from inorganic substances using light or chemical energy |
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. |
egestion | The act or process of voiding or discharging undigested food as faeces. |
reproduction | the production of offspring by a sexual or asexual process. |
metabolism | the chemical processes that occur within a living organism in order to maintain life. |