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23 Cards in this Set
- Front
- Back
biolofy
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the study of life
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organization
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an orderly structure.
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reproductions
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the production of offspring.
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response
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a reaction to a stimulus.
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evolution
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the gradual accumulation of adaptations over time.
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control
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the group in which all conditions are kept the same.
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technology
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is the application of scientific research to societys needs aand problems.
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species
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a group of organisms that can interbreed and produce fertile offspring in nature.
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growth
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results in the increase in the formation of new structures.
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development
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all of the changes that take place during the life of an organism.
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environment
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includes air, water, weather, temperature, any other organism in the area, and mant other factors.
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stimulus
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any condition in the environment that requires an organism to adjust.
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homeostasis
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regulation of an organisms internal environment to maintain conditions suitable for its survival.
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energy
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living things reproduce themselves, grow and develop, respond to external stimuli, and maintain homeostasis.
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adaptation
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any structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment.
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scientific methods
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the common steps that biologists and other scientists use to gather information and answer questions
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hypothesis
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an explanation for a question or a problem that can be formally tested.
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experiment
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is a procedure that tests a hypothises by the process of collecting information under controlled conditions.
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independant variable
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the condition in an experiment that is changed.
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dependant variable
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any changes in it depend on changes made to the independent variable.
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safety symbol
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a symbol taht warns you about a danger that may exist from chemicals, electricity, heat, or procedures you will use.
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theory
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an explanation of a natural phenomenon that is suppported by a large bodyu of scintific evidence obtained from mant different investigations.
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ethics
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refers to the moral principles and values held by humans.
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