Galapagos, islands that Darwin visited, genetic variation, refers to the variety and diversity of living things, evolution, gradual and slow change over time, natural selection, the mechanism by which evolution occurs, Charles Darwin, proposed the theory of evolution by natural selection, finches, animals studied by Darwin; had different shaped beaks depending on the island they were from, mutation, any change in an organism's DNA that creates variations in species, fossils, preserved remains of ancient organisms, adaptation, a characteristic/trait that helps an organism survive, mimicry, a structural adaptation that allows an organism to resemble another organism in order to protect itself from predators, vestigial, structures that no longer have a current function, homologous , structures that are similar in the make up but have different functions, analogous, structures that are made differently but have similar functions, extinction, when organisms disappear from the earth, camouflage, a structural adaptation that allows an organism to blend into its environment and appear to be "hiding", survival of the fittest, another term used to refer to natural selection, speciation, the formation of a new species, A, the grade you are going to make on your evolution unit test, Inheritance, the process by which genetic information is passed on from parent to offspring, trait, specific characteristic of an organism that was genetically determined.

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