Animal Strategies

1. Animal Strategies I. Body Organization A.Complexity

2. From Cells to Tissues toOrgans to Systems

3. B.Tissues

4. a. Epithelium b. Connective Figure 40.5 Figure 40.5

5. c. Muscle d.Nervous Figure 40.5 Figure 40.5

6. e. Embryonic Figure 47.1

7. Developmental stages of an Echinoderm Figure 47.7

8. Differentiation yields endoderm, mesoderm, and ectoderm from the inner cell mass. Figure 47.16

9. C.Systems

10. Which body systems are involved in movement? Skeletal, Muscular, and Articular Which body systems are involved in homeostasis? Circulatory, Integumentary, Urinary, Nervous, and Endocrine Which body systems are involved in energy capture? Digestion and Respiratory Which body systems are involved in regulation? Nervous and Endocrine

11. Which body systems are involved in reproduction? Reproductive, Nervous, and Endocrine Which body systems are involved in protection? Circulatory, Integumentary, Nervous, and Endocrine What are the body systems seen in animals? Integumentary, Skeletal, Articular, Muscular, Nervous, Endocrine, Circulatory, Excretory, Digestive, Respiratory, and Reproductive

12. II. Body Plan A.Traditional View

13. Based on Embryonic and Anatomic evidence a. Evidence Metamorphosis Figure 32.2 Remodeling Figure 32.4

14. b. Grades - 35 animal clades based on tissues present Figure 32.10 & 11

15. b. Grades - 35 animal clades based on body symmetry Figure 32.7

16. b. Grades - 35 animal clades based on body cavities Figure 32.8

17. b. Grades - 35 animal clades based on development patterns Figure 32.9

18. B.Molecular View

19. a. Evidence Based on DNA andrRNAevidence? Lophotrochozoa vs. Figure 32.13

20. vs. Ecdyozoa Figure 32.12

21. b. Comparison of Molecularvs.Traditionalviews. Figure 32.10 & 11

22. III. Animal Phyla A.Invertebrates

23. Parazoans = Phylum Porifera Sessile adults, suspension feeders, hermaphroditic, and special cellscalled choanocytes and amebocytes

24. Figure 33.4

25. Radiata = Phylum Cnidarians Cnidocytes and Nematocysts

27. Radiata = Phylum Ctenophora Comb jellies

28. Protostomia: Lophotrochozoa = Phylum Platyhelminthes Flat worms Figure 33.10 Figure 33.12

30. Phylum Nemertea Proboscis or Ribbon wormswith complete digestive tract and closed circulatory system. Figure 33.15

31. Phylum Mollusca Figure 33.17 Figure 33.20

32. Phylum Mollusca Figure 33.18

33. Phylum Mollusca Figure 33.22

35. Phylum Annelida Figure 33.24 & 25

37. Protostomia : Ecdysozoa = Phylum Nematoda Figure 33.26 Figure 33.27 Roundworms = moist habitat; non-segmented, short tapered ends, a cuticle exoskeleton, pseudocoelomic, and sexual

38. Phylum Arthropoda Figure 33.31

39. Phylum Arthropoda Figure 33.33

40. Phylum Arthropoda Figure 33.36

41. Phylum Arthropoda Figure 33.38

43. Phylum Echinodermata Radial yet segmented Figure 33.40

44. Phylum Echinodermata Figure 33.40

46. B.Vertebrates

47. Deuterostomia = Phylum Chordata Invertebrate Chordates = tunicates and lancelets Figure 34.4 Notochord, Dorsal Nerve Cord, Pharyngeal Slits, & Post anal Tail

48. and lancelets Figure 34.5 Notochord, Dorsal Nerve Cord, Pharyngeal Slits, & Post Anal Tail

49. Chordates gnathostomes (jaw less) = Myxini, Figure 34.9 Figure 34.10 Notochord, Dorsal Nerve Cord, Pharyngeal Slits, & Post Anal Tail

50. Chordates (jawed) Chondrichthyes, Figure 34.15