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Chapter 1 Key Terms
The keyterms from chapter 1.
15
Science
7th Grade
09/14/2010

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Term
Binomial Nomenclature
Definition
The two word naming system used to name various species.
Term
Biogenesis
Definition
The theory that living things come only from other living things.
Term
Cell
Definition
The smallest unit of an organism that carries out the functions of life.
Term
Control
Definition
The standard to which the outcome of a test is compared.
Term
Genus
Definition
A group of similar species.
Term
Homeostasis
Definition
An organism's ability to keep the proper conditions inside no matter what is going on outside.
Term
Hypothesis
Definition
An explanation that can be tested.
Term
Kingdom
Definition
The first and largest catagory of the main classification system.
Term
Law
Definition
A statement about how things work in nature that seems to be true.
Term
Organism
Definition
Any living thing.
Term
Phylogeny
Definition
The evolutionary history of an organism.
Term
Scientific Methods
Definition
A series of procedures.
Term
Spontaneous Generation
Definition
The idea that living things come from non living things.
Term
Theory
Definition
An explanation of things or events based on scientific knowledge that is the result of many observations and experiments.
Term
Variable
Definition
Something in an experiment that can change.
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