CHAPTER 1: Introduction

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Across
  1. 3. Age of Mammals
  2. 4. allows direct inspection of hard parts or marked parts during performance
  3. 7. middle of the body
  4. 9. a plane that separates that anterior and posterior portion
  5. 14. known as the “coal-bearing” period
  6. 17. island contain its own assortment of species
  7. 20. action or property of a part as it works in an organism
  8. 22. electric record of muscles
  9. 23. proposed mechanism of inheritance of acquired characteristics
  10. 25. study of how decay and tissue disintegration affect fossilization
  11. 26. chest supports the forelimbs
  12. 29. molten rocks
  13. 31. features that share common ancestry
  14. 34. Age of Reptiles
  15. 35. a plane that splits the left and right portion
  16. 37. take its name from the Jura Mountains
  17. 38. he felt that species were unchangeable
  18. 40. to the front or belly
  19. 41. Age of Fishes
Down
  1. 1. repeated section
  2. 2. a plane that divides the dorsal and ventral portion
  3. 5. hips supports hindlimbs
  4. 6. visible life
  5. 7. produces new variations
  6. 8. closest to the body
  7. 10. a reproductive factory producing eggs and sperm
  8. 11. importance of ecological analysis in the examination of a morphological system
  9. 12. ancient rocks
  10. 13. proposed the young age of Earth
  11. 15. assortment of taxa
  12. 16. special case of homology
  13. 18. Darwin's Bulldog
  14. 19. method of placing fossils in a relative sequence to each other
  15. 21. sides of the body
  16. 24. early life
  17. 27. takes its name from rocks in Germany
  18. 28. feature that simply look alike
  19. 30. microorganism with nucleus and ability for sexual reproduction
  20. 32. careful anatomical description of an animal’s structural design.
  21. 33. farthest to the body
  22. 36. features with similar function
  23. 39. a kind of biological blueprint