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6.1, 6.2, & 6.3

TermDefinition
Artificial Selection The human practice of breeding animals or plants that have certain desired traits.
Adaptation A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
Evolution The process in which inherited characteristics within a population change over sensations such that new species sometimes arise.
Extinction The death of every member of a species.
Fossil The trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
Fossil Record The history of life in the geologic past as indicated by the traces or remains of living things.
Geologic Time Scale The standard method used to divide Earth's long natural history into manageable parts.
Notation A change in the nucleotide-base sequence of a gene or DNA molecule.
Natural Selection The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals.
Variation The occurrence of hereditary or nonhereditary differences between different individuals of a population.
Created by: kt.18217
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