CHAPTER 1-INTRODUCTION

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