Evolution, Change in a kind of organism over time, Charles Darwin, English natural scientist who formulated the idea of natural selection, Harmful mutation, Mutation that decreases the fitness of the organism, Beneficial mutation, Any change to genetic code in noticeable physical changes that benefit the organism, Survival of the fittest, Process by which individuals that are better suited to their environment survive and reproduce successfully, Adaption, Characteristics that improves a organisms ability to survive and reproduce in a new environment, Fossil evidence, Shows life that is old and has changed over time, Camouflage, allows animals to blend in with certain aspects of their environment, Law of superposition, fossils in top rock layer are the youngest and fossils in the bottom are the oldest, Extinction, describes a species that has no more living organisms, Natural selection, process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other organisms, Selective breeding, Selection by humans for breeding among organisms

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