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chapter 2
vocab
| Question | Answer |
|---|---|
| organism | A living thing. |
| cell | The basic unit of structure and function in living things. |
| unicellular | Made of a single cell. |
| multicellular | Consisting 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 in reaction to a stimulus. |
| development | The process of change that occurs during an organism's life to produce a more complex organism. |
| spontaneous generation | The mistaken idea that living things arise from nonliving sources. |
| autotroph | An organism that makes its own food. |
| heterotroph | An organism that cannot make its own food. |
| homeostasis | The maintenance of stable internal conditions in an organism. |
| classification | The process of grouping things based on their similarities. |
| taxonomy | The scientific study of how living things are classified. |
| binomial nomenclature | The system for naming organisms in which each organism is given a unique name. |
| genus | A classification grouping that consists of a number of similar |
| species | A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. |