adaptation - a characteristic that improves an individual's ability to survive and reproduce in a particular environment., ancestor - any organisms, population, or species from which any of these have descended by reproduction., evolution - the process by which inherited characteristics can change over time., mutation - a change in the sequence of a DNA molecule., natural selection - the process by which individuals that are better adapted to their environment to survive or reproduced., variation - the occurrence of hereditary or nonhereditary differences between different individuals., acquired trait - A nonhereditary change of function in an organism made in response to the environment., fossil - the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock., extinction - the death of every member of a species, Charles Darwin - known for his theory on evolution., species - a group of closely related organisms that can mate to produce fertile offspring,

Evolution definitions #1

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