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Biology
biology vocab
22
Science
Not Applicable
12/13/2005

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Term
organism
Definition
anything w/ the characteristics of life
Term
unicellular
Definition
comprised of only one cell
Term
multicellular
Definition
comprised of many cells
Term
reproduction
Definition
the production of offspring
Term
growth
Definition
an increase in amount of living material or formation of new structures
Term
development
Definition
all changes that happen in an organism's life
Term
enviorment
Definition
the surroundings of an organism
Term
stimulus
Definition
anything in an organism's external or internal environment that causes a reaction
Term
response
Definition
reaction to stimulus
Term
homeostasis
Definition
the regulation of an organism's internal enviorment to maintain suitable conditions for survival
Term
energy
Definition
the ability to cause change
Term
scientific method
Definition
steps that scientists use to gather info and answer questions
Term
observation
Definition
the act of using the senses to gather info and collect data (throught this process inferences can be made)
Term
inference
Definition
the interpretation of an observation based upon evidence or prior knowledge
Term
controlled experiment
Definition
an experiment in whic only one condition is changed at a time
Term
hypothesis
Definition
an explanation for a problem that can only be formally tested
Term
control
Definition
the standard against which results are compared
Term
experimental group
Definition
the test group that is manipulated by the scientist
Term
independant variable
Definition
the cindition being tested in the experiment.
Term
dependent variable
Definition
the condition that reults from the manipulation of the independent variable
Term
data
Definition
info obtained from the investigations and experimentations
Term
theory
Definition
an explanation of a natural phenomenon supported by a large body of scientific evidence
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