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Ch.1 Bio and You

QuestionAnswer
skepticism a habit of mind in which a person questions the validy of accepted ideas
observation the process of obtaining information by using the senses; the information obtained by using the senses
hypothesis a testible idea or explaination that leads to scientific investigation
experiment a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth
control group in an experiment, a group that serves as a standard of comparison with another group to which the controlled group is identical except for one factor
theory a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
SI Le Systeme International d'Unites, or the International System of Units, which is the measurement system that is accepted worldwide
biology the scientific study of living organisms and their interactions with the enviroment
cell in biology, the smallest unit that can perform all life processes; cells are covered by membrane and contain DNA and cytoplasm
homeostasis the maintance of a constant internal state in a changing enviroment; a constant internal state that is maintained in a changing enviroment by continually making adjustments to the internal and external enviroment
metabolism the sum of all chemical processes that occur in an organism
reproduction the process of producing offspring
heredity the passing of genetic traits from parent to offspring
evolution in bio,the process of change by which new species develop from preexisting species over time; at the genetic level, the process in which inherited characteristics within pop. change over time; the process defined by Darwin as " descent with modification"
Created by: bayere14
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