Animal Kingdom and Dissection Terms Review

Edit Answers
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
Across
  1. 2. divisible into symmetrical halves
  2. 4. animals with internal body cavities
  3. 5. structural component of exoskeletons
  4. 7. a mammal that gives birth to their live, underdeveloped young
  5. 9. closer to the origin or point of attachment
  6. 11. the division of bodies into repetitive segments
  7. 13. animals lacking internal body cavities
  8. 15. a membrane enclosing the heart
  9. 18. heart chamber that receives blood
  10. 20. at or near the tail
  11. 23. capable of internal heat generation
  12. 24. skeleton made up of lower and upper extremities
  13. 25. reproduction from a single parent
  14. 28. fluid-filled cavity that encloses an embryo during development
  15. 30. external respiratory opening in arthropods
  16. 31. further from the origin or point of attachment
  17. 32. the back
  18. 34. front of the body (synonym for anterior)
  19. 36. unicellular organism without cell nucleus
  20. 38. towards the back of the body (similar to dorsal)
  21. 39. releasing heat
  22. 43. fertilization of a egg after being laid
  23. 44. further from the surface
  24. 45. organisms that develop a mouth first
  25. 46. the concentration of sense organs in the head
  26. 47. giving birth to live, fully developed offspring
  27. 48. organisms that develop a mouth second
  28. 49. the lower half of the body
Down
  1. 1. heart chamber that releases blood into the circulatory system
  2. 3. skeleton made up of bones in the head, neck, back and chest
  3. 5. a system where blood is contained in vessels and circulates from the heart
  4. 6. external framework protecting an animal's body
  5. 8. fertilization that occurs inside the body
  6. 10. an organism possesses both male and female organs
  7. 12. nearer to the surface
  8. 14. front of the body
  9. 16. a system where blood is not contained in vessles in order to circulate
  10. 17. vessels that ditribute blood to the body
  11. 19. divides a body into equal right and left halves
  12. 21. reproduction via two parents
  13. 22. tubes carrying blood throughout the body
  14. 26. organisms having a true cell nucleus
  15. 27. a simple eye
  16. 29. the upper half of the body
  17. 33. divides a body into superior and inferior parts
  18. 35. symmetry about a central axis
  19. 37. tubular protrudences on an echinoderm
  20. 40. laying eggs
  21. 41. internal bone structure
  22. 42. the process of breathing