Evolution

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Across
  1. 2. physical traits of an organism
  2. 5. a change that allows an organism to survive better
  3. 6. different genes and traits found in a population
  4. 8. group of organism that can interbreed and have offspring
  5. 10. change over time
  6. 13. group of species living in an area at the same time
  7. 16. study of embryos
  8. 17. change in DNA
Down
  1. 1. genetic sequence of species
  2. 3. the organisms with the best traits will survive and reproduce
  3. 4. ability to survive and reproduce
  4. 7. body parts
  5. 9. preserved remains or imprints of ancient organisms
  6. 11. all genes in a breeding population
  7. 12. distribution of species around the world
  8. 14. one species evolves into two or more species
  9. 15. passing on of traits from parents to offspring