Vocabulary Associated with Evolution Unit
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| Evolution | Change of populations over time, especially from simple to more complex
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| Related to | Being connected to a family, group, or individual
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| Descended from | To come down from another generation, to be a direct blood relative
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| Fossil | The preserved remains or impression of a prehistoric organism
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| Natural Selection | The process where organisms better adapted to their environment survive and reproduce passing on those adaptations to the next generation
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| Artificial Selection | The process where humans choose what traits get passed down to the next generation
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| Cladogram | A branching diagram showing the relationship of a number of different species
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| Speciation | The formation of a new species through the course of evolution
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| Gene Pool | The total of alleles or genes in a population
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| Homologous Structures | When different organisms have bones or organs that have very similar form and function
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| Analogous Structures | Different animals have structures with the same function but no underlying common form
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| Vestigial Structure | A structure present in an organism that no longer has a purpose or function
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| Competition | Fighting over resources such as food, shelter, or mates.
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| Embryo | unborn developing organism
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| geographic isloation | When a population is separated by some form of geography from the rest of their species.
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| genetic drift | a variation of the allele frequency in a small population
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| Adaptive Radiation | The diversification of a group of organisms into different forms filling different ecological niches
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