1. ophiuroidea
2. filter feeding
3. uniramia
4. diplopoda-millipoda
5. pharyngeal gill slit
6. extrovert
7. tentacular club
8. siphon, funnel
9. demospongiae
10. leuconoid
11. echinodermata
12. holothuroidea
13. tentacles
14. tube feet
15. respiratory tree
16. cloaca
17. anus, respiration, defense
18. polian vessicles
19. polychaeta
20. parapodia
21. metameres
22. adductor muscles
23. pycnogonid
24. intestine
25. gonad
26. trilobita
27. museum, fossils
28. polyplacophorans
29. anus
30. uniramia
31. maxilla
32. brachiopoda
33. articulate
34. respiration
35. crustacean
36. chelicerata
37. meristomata
38. book gills
39. respiration
40. pedipalps
41. opisthosoma or prosoma
42. pharyngeal gill slits, post anal tail
43. dorsal nerve cord, notochord
44. pharyngeal gill slits, or p. basket
45. malacostraca
46. cheliped
47. megalopse
48. ecdysozoa
49. tardigrade
50. echinodermata, brachiolarva
51. crustaceamorpha
52. branchiopoda
53. antennae
54. rotifer
55. cestode
56. something that allows it to attach
57. uniramia
58. 6 legs or anything else that worked
59. nematode
60. juvenile
61. muscle
62. annelid
63. hirudinea
64. posterior sucker
65. mollusca
66. larval, glochidial larvae of mussel
67. arthropoda
68. chelicerata
69. blood
70. echinodermata
71. crinoidea
72. filter feed
73. infaunal (1)
74. 1
75. Epifaunal (0)
76. 1
77. 1
78. 0
79. hemichordata
80. echinodermata
81. acorn worm
82. crustacean
83. brachiopoda
84. crustacean
85. malacostraca
86. trochophore larvae
87. trochozoa, lophatrochazoa
88. anthozoa
89. bryozoa
90. zoecium
91. hydrozoa
92. gonozooid
93. anything shared among them
94. chordata
95. urochordata
96. pneumatophore
97. scyphozoa
98. yes
99. medusa
100. irregular
101. sediment
102. gastropoda
103. right
104. crop
105. tibia
106. compound eye
107. madreporite
108. water intake
109. stone canal
110. tube feet
111. locomotion
112. ambulacral groove
113. ampullae
114. pressure control for tube feet
115. uniramia
116. chelipoda Ð centipede
117. cestoda
118. glottids or proglottids
119. vertebrata
120. parasitic
121. onycophorans
122. lobapods
123. cephalochordata
124. p. gill slits
125. notochord
126. dorsal nerve chord
127. suspension, filter
128. deuterostome
129. chordata
130. urochordata
131. tunic
132. pharynx
133. solitary
134. arachnid
135. chelicerata
136. pedipalps
137. aristotleÕs lantern
138. scraping substrate
139. malacostraca
140. monoecious
141. scaphopoda
142. cirripedia
143. peduncle
144. terga
145. test
146. dorsal or aboral
147. interambulacral
148. ambulacral
149. tube feet
150. hard substrate