Natural Selection

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Across
  1. 3. Remains of an organism
  2. 5. Individuals are better adapted to the environment, survive and reproduce better than others
  3. 6. Trait that improves somethings ability to survive
  4. 7. Historical sequence of life
  5. 8. Genetically determined characteristic
Down
  1. 1. Species change over time
  2. 2. Period between birth of generations
  3. 4. Group of organisms