Evolution & Classification - most important terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| evolution | change in organisms over time
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| natural selection | process of evolutionary change in a species when individuals with favorable adaptations survive, reproduce, and pass on their genes
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| adaptations | heritable traits or behaviors that help an organism survive in its environment
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| geographic isolation | when a river, mountain, canyon, or other feature separates parts of a population, and eventually they become two different species
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| speciation | development of a new species through the process of natural selection
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| genetic variation | individual differences among members of the same species
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| classification | organization of living things into categories
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| binomial nomenclature | system of using the genus and species as the scientific name for an organism
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| species | a category within a genus; members can interbreed and have fertile offspring
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| dichotomous key | method used to identify an organism based on a series of paired descriptive choices
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| phylogenetic tree | a branching diagram used to show evolutionary relationships among different species
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Created by:
jdriscoll
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