Evolution

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Across
  1. 5. father of modern geology
  2. 8. Founder of the theory of natural selection
  3. 10. all members of the same species living together
  4. 11. type of selection which occurs when breeding
  5. 12. when an organism mimics its surroundings to stay hidden
Down
  1. 1. Variations which are genetic
  2. 2. Species' natural surroundings
  3. 3. Darwin's major theory
  4. 4. type of isolation which occurs due to the land
  5. 6. isolation which occurs due to a time difference in mating seasons
  6. 7. type of selection which occurs during the selection of mates in a species
  7. 9. characteristic which is always expressed