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Chapter 1 Book 1
Question | Answer |
---|---|
Organism: | a living thing |
Cell: | the basic unit of structure and function in an organsism |
unicellular: | Made of a single cell |
multicellular: | consisting of many cells |
stimulus: | a change in an organismn's surroundings that cause the organsim to react |
Response: | an action or change in behavior that occurs as a result of a stimulus |
development | the process of change that occurs during an organisms life to produce a more complex organsim |
spontaneous generation: | The mistaken idea that living things arise from non living sources |
controlled experiment: | An experiment in which all factors are identical except one |
autotroph: | An organism that makes its own food |
heterotroph: | An organism that does not makes its own food |
Homeostasis: | the maintenance of stable internel conditions |