CHAPTER 1-INTRODUCTION

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Across
  1. 3. The course of evolution
  2. 5. means the action or property of a part as it works in an organism
  3. 7. last name of the Curator of the Museum of Comparative Zoology at Harvard University
  4. 9. Refers to the tail
  5. 10. Last name of the man who determines that species were fixed and unchangeable
  6. 11. Middle of the body
  7. 14. is the term that has been coined to recognize the importance of ecological analysis in the examination of a morphological system.
  8. 15. Last name of a respected specialist in ornithology He emphasized that the birds were endemic to the Galápago
  9. 16. A kind of homology- similarity between successively repeated parts in the same organism
  10. 19. refers to how the part is used in the environment during the course of the organism’s life history
  11. 23. a kind of biological blueprint
  12. 24. Structure or behavior possesses the necessary form and function before
  13. 25. is a synonym for a paraphyletic group
  14. 26. Named group of an organism
  15. 27. The Mesozoic is often termed the Age of
  16. 30. is the basis for recognizing a clad
  17. 32. The way in which an animal’s body meets the surrounding environment
  18. 34. features with similar functions
  19. 36. Plane that splits into left and right portions.
  20. 38. region or chest supports the forelimbs
  21. 39. Analysis of vertebrate design proceeds in three general steps, each enhancing the other: The Function, The Biological Role and The ?
Down
  1. 1. Three issues of evolution: fact, course and ?
  2. 2. is an inadvertent by-product of human saliva, without any adaptive role in the environment.
  3. 4. Refers to the head end
  4. 6. 2 or more features that share a common ancestry
  5. 8. A kind of symmetry, only the mid-sagittal plane divides the body into two mirrored images, left and right
  6. 12. hypothesis about the lineages and their evolutionary relationships
  7. 13. Last name of “Darwin’s Bulldog”
  8. 16. a method of placing fossils in a relative sequence to each other
  9. 17. Farthest to the body
  10. 18. Brought attention to the function that parts performed
  11. 20. plane separates it into anterior and posterior portions
  12. 21. is the study of how decay and tissue disintegration affect fossilization
  13. 22. Last name of the man who proposed mechanism of inheritance of acquired characteristics
  14. 28. the proposed relationships of the animal (and its parts) to other species
  15. 29. is a lineage—all organisms in a lineage
  16. 31. Nearest to the body
  17. 33. A body or structure built of repeating or duplicated sections is segmented
  18. 35. The earliest eon
  19. 37. His answer centered on archetypes