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biology
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13
Biology
9th Grade
01/25/2013

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Term
biology
Definition
the scientific study of living organisms and their interactions with the environment.
Term
cell
Definition
in biology, the smallest unit that can perform all life processes.
Term
homeostasis
Definition
the maintenance of a constant internal state in a changing environment
Term
metabolism
Definition
the sum of all chemical processes that occur in an organism
Term
reproduction
Definition
the process of producing offsprong
Term
heredity
Definition
the passing of genetic traits from parent to offspring
Term
evolution
Definition
the process of change by which new species develop from preexisting species over time.
Term
observation
Definition
the process of obtaining information by using the sense.
Term
hypothesis
Definition
a testable idea or explanation that leads to scientific investigation.
Term
experiment
Definition
a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth.
Term
control group
Definition
in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor.
Term
theory
Definition
a system of ideas that explains many related observation and supported by a large body of evidence acquired through scientific investigation
Term
SI
Definition
the international system of units, which is the measurement system that is accepted by scientists whorldwide
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