Evolution Crossword Puzzle

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Across
  1. 2. Distribution of organisms around the world.
  2. 4. Group of animals defined by the possession of a backbone.
  3. 5. This era is referred to as "The Age of Reptiles".
  4. 8. Death of all individuals of a species.
  5. 9. - Close interactions between two organisms of different species.
  6. 10. Fossils are usually found in this type of rock.
  7. 13. Founder of the Theory of Evolution.
  8. 14. Organisms with similar traits likely share a common ______.
  9. 18. Classification of organisms.
  10. 19. - The reason as to why there are fossils of the same species scattered across different continents separated by ocean.
  11. 23. - Passing of traits from parent to offspring.
  12. 25. Organisms evolve and branch off into new line of species through ______.
  13. 26. Another word for parallel evolution.
  14. 27. Anatomical features that have the same form or function in different species that have no known common ancestor.
  15. 29. Experimentally tested and overwhelmingly supported idea.
  16. 30. Study of ancient life.
Down
  1. 1. - The supercontinent that existed during the late Paleozoic and early Mesozoic eras.
  2. 3. Wolves evolving into domestic dogs is an example of ______.
  3. 6. The process by which organisms with more favorable traits are more likely to survive and reproduce.
  4. 7. Intermediate state between an ancestral and a descendant form of a species.
  5. 11. The relatively short evolutionary event about 542 million years ago during which the most major animal groups first appeared.
  6. 12. - Organisms in ______ will evolve into different new species.
  7. 15. The forelimb of a bear, the wing of a bird, and a human arm are an example of ______.
  8. 16. - Ability of an organism to survive and reproduce in its environment.
  9. 17. The scientific name for humans.
  10. 20. One of the earliest marine arthropods that are now extinct.
  11. 21. Highest Taxonomic rank.
  12. 22. - Periodic movement of animals from one place to another.
  13. 24. The process by which homologous structures between organisms are found.
  14. 28. Marsupials like kangaroos and Placentals like humans are an example of ______ evolution.
  15. 30. - All members of a species.