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22 Cards in this Set
- Front
- Back
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ORGANISM
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Another name for a living thing.
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CELL
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The basic unit of structure and function in an organism.
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UNICELLULAR
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An organism made up of only one cell.
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MULTICELLULAR
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Organisms composed of many cells.
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STIMULUS
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A change in an organism's surroundings that causes the organism to react.
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RESPONSE
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An action or change in behavior.
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DEVELOPMENT
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The process of change that occurs during an organism's life to produce a more complex organism.
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SPONTANEOUS GENERATION
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The idea that living things can arise from nonliving sources.
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CONTROLLED EXPERIMENT
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Two experiments that are identical in every respect except for one factor.
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AUTOTROPH
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An organism that makes its own food.
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HETEROTROPH
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An organism that con not make its own food.
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HOMEOSTASIS
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The maintenance of a stable internal temperature.
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CLASSIFICATION
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The process of grouping things based on their similarities.
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TAXONOMY
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The scientific study of how living things are classified.
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BINOMIAL NOMENCLATURE
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A two-part scientific name based on observable features.
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GENUS
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First word in on organism's scientific name - classification grouping that contains similar, closely related organisms.
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SPECIES
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Second word in a scientific name - a group of similar organisms that can produce offspring.
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EVOLUTION
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The process by which species gradually change over time.
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PROKARYOTES
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Organisms whose cells lack a nucleus.
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NUCLEUS
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A dense area in a cell that contains nucleic acid, the chemical instructions that direct the cell's activities.
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EUKARYOTES
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Organisms with cells that contain a nucleus.
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FOSSIL
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A trace of an ancient organism that has been preserved in rock or another substance.
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