evolution and natural election

1234567891011121314151617181920
Across
  1. 3. a process in which something passes to a different stage
  2. 7. the evolution or genesis of the human race
  3. 9. part of DNA controlling physical characteristics and growth
  4. 10. a process occurring in living organisms
  5. 13. material that carries genetic information in a cell
  6. 15. the process of adjusting or conforming to new conditions
  7. 16. noticeable variety
  8. 18. a threadlike strand of DNA that carries genes
  9. 20. gene that produces the same phenotype in the organism whether or not its allele identical
Down
  1. 1. sequence of events involved in the development of a species
  2. 2. the evolution or genesis of the human race
  3. 4. English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
  4. 5. undergo development
  5. 6. the science that studies living organisms
  6. 8. the process of declining from a higher to a lower level
  7. 11. a distorted projection or perspective
  8. 12. the appearance of entirely new properties at certain critical stages in the course of evolution
  9. 14. a distorted projection or perspective
  10. 17. the remains of a plant or animal from a past geological age
  11. 19. the totality of surrounding conditions