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Chapter 1 Biology
Chapter 1
19
Biology
9th Grade
01/25/2013

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Term
Skepticism
Definition
a questioning and often doubtful attitude.
Term
Observation
Definition
the act of noting or perceiving objects or events by using the senses.
Term
Hypothesis
Definition
a possible explanation that can be tested by observation or experimentation.
Term
Experiment
Definition
a procedure that is carried out under controlled conditions to test a hypothesis.
Term
Control group
Definition
serves as a standard of comparison because the group receives no experimental treatment.
Term
Theory
Definition
when related hypotheses are well supported and explain a great amount of data ,these hypotheses may be put together to form.
Term
SI
Definition
Measurements taken by scientists are expressed in the International System of units.
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 process.
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 offspring.
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
Observe
Definition
Notice or perceive and register it as being signficant.
Term
Hypothesis
Definition
an proposed explanation for a phenom an.
Term
Analyze results
Definition
to come about as a consequence.
Term
Conclusion
Definition
the close or last part;the end or finish.
Term
Peer review
Definition
to look over study .
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