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7 Cards in this Set

  • Front
  • Back
Evolution
The process where inherited characteristics change over time. May lead to new species.
Species
A group of organisms that are closely related and can mate to produce fertile offspring.
Adaptation
A characteristic that improves an organism's ability to survive and reproduce.
Fossil
The trace or remains of an organism that lived long ago. Often preserved in rock.
Fossil record
A sequence of life indicated by fossils found in different layers of rock.
Natural selection
Individuals that are better adapted to the environment survive and reproduce more successfully.