Evolution and Natural Selection

the change in the characteristics of a species over time; relies on natural selection

• natural selection

• evolution

• artificial selection

• adaptation

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certain traits are selected naturally by the environment in which an organism lives

• fitness

• natural selection

• artificial selection

• adaptation

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some types of adaptations include:

• offense

• camoflauge

• defense

• mimicry

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newly evolved traits that don't appear in fossils (ex: feathers)

• derived traits

• ancestral traits

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anatomically similar structures inherited from a common ancestor

• homologous structures

• analogous structures

• vestigial structures

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_____ ______ was a naturalist, geologist, and biologist known for his contributions to evolutionary science

(a)  

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distribution of plants and animals around the world

• camoflauge

• biogeography

• fitness

• adaptations

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the measure of the relative contribution that an individual makes to the next generation

• bottleneck

• fitness

• adaptation

• natural selection

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the principle that states when allelic frequencies remain constant a population is in genetic equilibrium

• biodiversity

• hardy-weinberg principle

• gradualism

• punctuated equilibrium

any change in the allelic frequencies in a population that results from chance

• stabilizing selection

• genetic drift

• founder effect

• bottleneck