Evolution and Natural Selection

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Across
  1. 2. a specific gene that produces a recognizable trait and can be used in family or population studies
  2. 5. a change or alteration in form or qualities
  3. 6. having the same relation, relative position, or structure
  4. 7. the man who formed the theory of evolution
  5. 10. random change in allele frequencies over time
  6. 11. the ability of an organism to survive and reproduce in its own environment
  7. 13. preserved remains of organisms from geological age
  8. 14. noticeable variety
  9. 18. a negative interaction between two organisms
  10. 19. a process in which organisms evolve to adapt to environment
  11. 20. a trait that helps a population survive
Down
  1. 1. two organisms make an offspring
  2. 3. all the inhabitants of a particular area
  3. 4. the evolution of a biological species
  4. 8. the dying out of a species
  5. 9. group of genetically related organisms in a line of descent
  6. 12. the process in which living organisms change overtime in the genome
  7. 15. occurring among members of a family usually by heredity
  8. 16. any difference between individuals of the same species
  9. 17. an organ or body part that has become functionless during the course of evolution