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Stack #3506082
| Term | Definition |
|---|---|
| organism | an individual animal, plant, or single-celled life form |
| cell | the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic. |
| unicellular | consisting of a single cell |
| stimulus | a thing or event that evokes a specific functional reaction in an organ or tissue |
| response | a verbal or written answer |
| spontaneous generation | the supposed production of living organisms from nonliving matter, as inferred from the apparent appearance of life in some supposedly sterile environments |
| homeostasis | the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes |
| 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 |
| classification | the action or process of classifying something according to shared qualities or characteristics |
| genus | a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name, e.g. Leo |
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