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chapter 2


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.
Created by: hi people