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35 Cards in this Set
- Front
- Back
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An observation that has been repeatly confirmed
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Fact
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A well researched explanation of some aspect of the natural world
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Theory
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A descriptive generalization about how some aspect of the natural world behaves under stated conditions.
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Law
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When a species becomes better suited to the environment.
(Adapts) |
Adaptation
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The process by which evolution occurs. The selection of organisms best suited to the environment
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Natural selection
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Structures of different species with similar functions but different origins.
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Analogous structures
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structures of different species with different functions but similar origins
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Homologous Structures
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structures that appear to have no current function
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Vestigial Structures
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The study of embryo development (before birth)
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embryology
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the intermediate (middle) species between 2 other species (missing link)
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transition species
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An observation that has been repeatly confirmed
|
Fact
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|
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A well researched explanation of some aspect of the natural world
|
Theory
|
|
|
A descriptive generalization about how some aspect of the natural world behaves under stated conditions.
|
Law
|
|
|
When a species becomes better suited to the environment.
(Adapts) |
Adaptation
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|
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The process by which evolution occurs. The selection of organisms best suited to the environment
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Natural selection
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Structures of different species with similar functions but different origins.
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Analogous structures
|
|
|
structures of different species with different functions but similar origins
|
Homologous Structures
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|
|
structures that appear to have no current function
|
Vestigial Structures
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|
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The study of embryo development (before birth)
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embryology
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the intermediate (middle) species between 2 other species (missing link)
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transition species
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random changes in genetic characterstics.
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Mutation
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variety of genetic traits with in an interbreeding population
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genetic variation
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measure of radioactive isotopes to determine the age of a fossil or other organic item
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radiometric dating (carbon dating)
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the study of shape or form
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morphology
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evolution as a gradual change in a species over time
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gradualism
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evolution by long periods of no change followed by rapid change
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punctuated equilibrium
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remains or evidence of living things from long ago
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fossils
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species develop similiar characteristics due to similiar environment
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convergient evolution
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2 populations of the same species due to isolation, become less like each other
Often leads to speciation |
divergent evolution
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appearance of 1 or more new species
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speciation
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change among species such as extinction
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macroevolution
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change that occure within a species over time
(beak change in birds-video) |
microevolution
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the reproductive separation of populations either by physcial or behavior boundaries
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isolation
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the back and forth evolutionary adjustments between interacting species.
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coevolution
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struggle for limited resources (food, water, sunlight, mates, territory)
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competition
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