Animal Unit Vocabulary Words
1. Body plan
2. asymmetrical
3. radial symmetry
4. bilateral symmetry
5. cephalization
6. coelom
7. phylogenetic tree
8. gastrovascular cavity
9. hydrostatic skeleton
10. exoskeleton
11. endoskeleton
12. hermaphrodite
13. external fertilization
14. internal fertilization
15. sessile
16. spicule
17. medusa
18. polyp
19. cnidocyte
20. proglottid
21. fluke
22. visceral mass
23. mantle
24. siphon
25. molting
26. spiracle
27. spinneret
28. metamorphosis
29. pupa
30. nymph
31. rill
32. chordate
33. notochord
34. vertebra
35. agnathan
36. lateral line
37. operculum
38. swim bladder
39. lung
40. amniotic egg
41. oviparous
42. mammary gland
43. placenta
44. gestation period