science ch.1 Word Scramble
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Question | Answer |
organism | A living thing. |
cell | The basic unit of a structure and function in an organism. |
unicellular | Made of a single cell. |
multicellular | made 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 occurs as a result of a sitimulus. |
development | The process of change that occurs during an organism's life to porduce a more complex organsim. |
spontaneous generation | The mistaken idea that living things arise from nonliving sources. |
controlled experiment | An experiment in which all factors are indentical excpet one. |
autotroph | An organism that makes its own food. |
heterotroph | An organism that cannot makes its own food. |
homeostasis | The maintenance of stable internal condiciones. |
classification | The process of grouping things based on their similarities. |
taxonomy | The scientfic study of how living things are classified |
binomial nomenclature | The system for naming organisms in which each organisms 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 species |
species | A group of of similar organism that can mate with each other and produce offspring that can also mate and reporduce |
evolution | The process by which species gradually change over time |
prokaryote | An organism whose cells lack nucleus and some other cell structures |
nucleus | The dense area in a eukaryote cell that contains nucleic acids, the chemical instructtions that direct the cell's activities |
eukaryote | An organism whose cells contain nuclei |
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