Evolution Crossword Puzzle

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