Evolution Crossword Puzzle #1

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Across
  1. 2. Genetic differences within a species
  2. 6. The evolution of a new species from an existing species
  3. 9. Wrote the Darwinism book
  4. 11. Any trait or behavior that allows and organism to survive in its habitat
  5. 13. Darwin studied these in the Galapagos islands
  6. 14. Same fuction but different structures. They do not show common ancestors
  7. 15. The preserved remains or traces of an organism from the past
  8. 17. Humans select traits that they want to move to next generation
  9. 18. Organism decays leaving a cavity of the shape of the organism
Down
  1. 1. Organisms that survive are "selected" by nature to reproduceand pass their traits to their offspring.
  2. 3. Parts of the anatomy that are no longer needed or used
  3. 4. Gives information about past life and time on Earth
  4. 5. Mud or sand hardens to stone where organism was left behind
  5. 7. Groups organisms by similar characteristics
  6. 8. A fossil that shows characteristics of both old and modern forms
  7. 10. Mold is filled with sand or mud that hardens in shape of organism
  8. 12. Wrote the book of "On the Origin of Species"
  9. 16. Structures formed in embryo that share like arrangements but can have different fuction