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Mr. Radeke

Mr. Radeke Chapter 2 Section 1 Life Science

QuestionAnswer
Organism A living thing.
Cell The basic unit of structure and function in living things.
Unicellular Made of a sinlge 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.
What is a controlled experiment? An experiment in which two tests are identical except for one factor.
Why are plants called autotrophs? Because they make their own food.
Created by: Tom Radeke
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