Chapter 4 Crossword

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Across
  1. 2. Cell division that gives a daughter cell an exact amount of chromosomes
  2. 4. Selecting
  3. 5. Visisble and physiological traits of an organism
  4. 7. Not related species but they have similar traits in the same environment
  5. 11. Selecting
  6. 13. Requires on parent
  7. 15. Genetic constitution of an organism
  8. 16. Behavior the keeps species from reproduciton
  9. 17. Body parts in different species that have a similar function but evolved differently
  10. 18. Gives people their characteristics
  11. 19. Rapid changes that are random
  12. 20. Wrote the Origin of Species
Down
  1. 1. Found in chronological order
  2. 3. The same ancestors but a different environment
  3. 6. Something that prohibits breeding by separating populations
  4. 8. the formation of new species
  5. 9. Body parts in different species that have the same evolutionary origin
  6. 10. Mammals use this method to reproduce
  7. 12. Subtle changes that happen over time
  8. 14. The cellular process that produces gametes from other cells