#6 Evolution

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Across
  1. 2. The formation of a new species.
  2. 4. Body parts with similar structures but different uses, showing common ancestry.
  3. 7. Random changes in gene frequency in a population.
  4. 9. The change in species over time.
  5. 11. Humans choosing which organisms to breed for certain traits.
  6. 14. The process where organisms with helpful traits survive and reproduce more.
Down
  1. 1. The study of gene changes in groups of organisms.
  2. 3. Body parts that have lost their function over time.
  3. 5. An earlier species that two or more species share.
  4. 6. Evidence of past life in preserved remains.
  5. 8. Body parts with the same use but different structures.
  6. 10. How well an organism survives and reproduces.
  7. 12. A trait that helps an organism survive in its environment.
  8. 13. Movement of genes between populations.