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Book 1 chapter 1
Question | Answer |
---|---|
organism | living thing |
cell | the basic unit of structure and function in an organism |
unicellular | made up of a single cell |
multicellular | consists of many cells |
stimulus | a change in an organism's surroundings that causes the organism to react |
response | an action or change in behavior that causes a result of a stimulus |
development | the process of change that occurs during an organisms life to produce a more complex organism |
spontaneous generation | the mistaken idea that living things arise from nonliving sources |
controlled experiment | an experiment in which all factors are identical except |
autotroph | an organism that makes its own food |
heterotroph | an organism that can't make its own food |
homeostasis | the maintenance of stable internal conditions |
classification | the process of grouping things based on their similarities |
taxonomy | the scientific study of how living things are classification |
binomial nomenclature | the system for naming organisms in which each organism is given a unique, two-part scientific name indicating its genus and species |
genus | a classification grouping that consists of a number of similar, closely related space |
species | a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce |
evolution | the process by which species gradually change over time |