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science-life
flashcards
| Question | Answer |
|---|---|
| organism | An individual animal, plant, or single-celled life form |
| cell | The smallest structural and functional unit of an organism |
| unicellular | having one cell |
| multicellular | having more than one cell |
| stimulus | A thing or event that evokes a specific functional reaction in an organ or tissue-cause |
| response | effect |
| development | the act of development |
| spontaneous generation | the theory that bacteria grows off of rotting meat |
| controlled experiment | When an experiment is conducted for the purpose of determining the effect of a single variable of interest on a particular system, a scientific control is used to minimize the unintended influence of other variables on the same system. ... |
| autotroph | producers-grows its own food |
| heterotroph | consumers-rely on other organisms |
| homeostasis | The tendency toward a relatively stable equilibrium between interdependent elements, esp. as maintained by physiological processes |
| classification | The arrangement of animals and plants in taxonomic groups according to their observed similarities (including at least kingdom and phylum in animals, division in plants, and class, order, family, genus, and species) |
| taxonomy | The branch of science concerned with classification, esp. of organisms; systematics |
| bionomial 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 |
| genus | A principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name, e.g., Leo |
| species | A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g., Homo sapiens |
| evolution | The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth |
| prokaryote | A microscopic single-celled organism, including the bacteria and cyanobacteria, that has neither a distinct nucleus with a membrane nor other specialized organelles |
| eukaryote | An organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria |
| nucleus | The central and most important part of an object, movement, or group, forming the basis for its activity and growth |
Created by:
smithm14
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