Comparative Vertibrate Anatomy (Chapter 1 and 2)

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Across
  1. 3. resemble vertibrate lymphocytes
  2. 5. for respiration
  3. 8. mutation on what we see today
  4. 10. free living pelagic urochordate
  5. 11. the opening indentation
  6. 12. and mitrates, is a curious group of echinoderms known only from fossils in marine rocks dated 505 to 325 million years ago
  7. 13. separate gonads
  8. 14. also known as Hatschek’s pit
  9. 15. consist of screens, filters, and expanded gelatinous matrix
  10. 17. behavior possesses the necessary form and function before the biological role arise
  11. 19. secretion, sticky substance
  12. 22. solid mass of mesodermal cells splits to form the body cavity within them
  13. 23. sexual reproduction of ascidians
  14. 26. hydrostatic organ
  15. 29. mesoderm arises as outpocketings of the gut that pinch off to form the body cavity
  16. 30. is a part of the digestive tract located immediately posterior to the mouth
  17. 34. distributes the weight
  18. 35. sometimes divided into solutes,
  19. 37. literally means first mouth
  20. 38. " the occipital segment of the skull
  21. 39. nature, evolutionary events
  22. 40. father of taxonomy
  23. 41. evolves from acorn worm
  24. 42. have two gonads
Down
  1. 1. the pattern of dividing cells are alligned
  2. 2. bottom or burrow
  3. 4. begin to indenr and grows inward to form this process
  4. 6. hemichordata, burowing form
  5. 7. second mouth
  6. 9. cellular extention hair like
  7. 16. participates in locomotion
  8. 18. cartilagenous hollow gell like
  9. 20. earliest chordates
  10. 21. sea cucumber
  11. 24. is specifying general regions of an embryo
  12. 25. action or property of a part as it works in an organism
  13. 27. outer part of the multicellular embryo
  14. 28. tail backstrings
  15. 31. inner part of the multicellular embro
  16. 32. actual derivstion of endostyle
  17. 33. free floating
  18. 36. most often stationary attached