Evo and Nat Sel

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Across
  1. 1. the same
  2. 5. study of embryos
  3. 8. effect, reduction in genetic variation
  4. 12. effect is when a population is decreased over one generation
  5. 14. reproduction-replication
  6. 15. adaptation,learned behavior
  7. 16. surival- the fittest animal survives
  8. 17. evolution, happens when a population(I.e. Darwin finches)
  9. 18. small germs that cause illness
  10. 19. cycle, also reproductive cycle
  11. 20. organisms whose cells lack a nucleus
Down
  1. 2. reproduction- through intercourse
  2. 3. changes to fit in with the environment
  3. 4. resistance, resistant to antibiotics
  4. 6. unicellular organisms
  5. 7. genetic material that flows
  6. 9. breeding, way to determine a specific trait is passed down
  7. 10. alternate forms of a gene
  8. 11. when two species evolve together
  9. 13. when an entire species dies out