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Evolution
Living Environment Vocabulary for Evolution Unit
9
Biology
10th Grade
05/14/2011

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Term
Evolution
Definition
The idea that explains the change in species over time
Term
Theory
Definition
Concept that has been tested and confirmed in many different ways and can be used by scientists to make predictions about the natural world
Term
Fossil Record
Definition
Collection of fossils that provides clues to the history of Earth's organism
Term
Geologic Time
Definition
The billions of years of Earth's history
Term
Natural Selection
Definition
The process of evolution controlled by "nature" rather than people
Term
Overproduction
Definition
The potential for a species to increase its numbers
Term
Adaptive Value (Adaptation)
Definition
Any trait that helps an organism survive and reproduce under a given set of environmental conditions
Term
Mutation
Definition
A change in the base sequence of a DNA molecule
Term
Extinction
Definition
The disappearance of an entire species
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