1. Kingdom- Animalia Invertebrate Phyla 1) Porifera -Sponges 2) Cnidaria-Jellyfish 3) Platyhelmninthes-flatworms 4) Nematoda-Roundworms 5) Annelida--Segmented worms 6) Mollusca--Clams, Snails, Squid 7) Arthropoda--Insects,Arachnids 8) Echinodermata--Seastars Invertebrate Phyla 1) Porifera -Sponges 2) Cnidaria-Jellyfish 3) Platyhelmninthes-flatworms 4) Nematoda-Roundworms 5) Annelida--Segmented worms 6) Mollusca--Clams, Snails, Squid 7) Arthropoda--Insects,Arachnids 8) Echinodermata--Seastars

2. What is an Animal? Eukaryotic, Multicellular, Heterotrophic Lack Cell Walls Collagen present Store sugar as glycogen Eukaryotic, Multicellular, Heterotrophic Lack Cell Walls Collagen present Store sugar as glycogen

3. All Animals form a blastula and gastrula, during embryological development.

5. Different types of Cleavage (How the cell divides and splits) 1) Protostomes * Spiral Cleavage--blastopore becomes the mouth Most invertebrate Phyla 2) Deuterostomes * Radial Cleavage --blastopore becomes the anus Echinoderata & Chordata--(Not an invert.) 1) Protostomes * Spiral Cleavage--blastopore becomes the mouth Most invertebrate Phyla 2) Deuterostomes * Radial Cleavage --blastopore becomes the anus Echinoderata & Chordata--(Not an invert.)

7. Types of Symmetry--Or how the body parts are arranged

8. Radial Symmetry--Cnidaria & Echinodermata

9. Bilateral (2 halves) Symmetry

10. 2 equal sides--All other phyla

11. Phylum-Porifera

12. Porifera--Characteristics Pores Multicellularity No true tissues Sessile, Filter feeders Types--Bath (protein), Glass (SiO 2 ), Chalk Pores Multicellularity No true tissues Sessile, Filter feeders Types--Bath (protein), Glass (SiO 2 ), Chalk

13. Phylum Cnidaria

14. Cnidaria--Characteristics First true tissues, First mover (motile) Nerve net, Nematocysts (Stinging cells) One body opening (mouth) 3 Classes--1) Hydrozoa (Hydra, P.M.W.) 2) Scyphozoa (floating, true jellyfish) 3) Anthozoa (corals) First true tissues, First mover (motile) Nerve net, Nematocysts (Stinging cells) One body opening (mouth) 3 Classes--1) Hydrozoa (Hydra, P.M.W.) 2) Scyphozoa (floating, true jellyfish) 3) Anthozoa (corals)

15. Phylum Platyhelminthes

16. Platyhelminthes--Characteristics First, “Hunter” Moved head first Cephalization--Head development 3 tissue layers--ectoderm, mesoderm & endoderm Mostly parasitic 3 Classes--Trematoda (flukes) Cestoda (tapeworms) Turbellaria (Planaria et al) First, “Hunter” Moved head first Cephalization--Head development 3 tissue layers--ectoderm, mesoderm & endoderm Mostly parasitic 3 Classes--Trematoda (flukes) Cestoda (tapeworms) Turbellaria (Planaria et al)

17. Phylum Nematoda

18. Nematoda--Characteristics Pseudocoelom (false coelom)--A protective cushiony layer between the endoderm & mesoderm 2 body openings (mouth & anus) 1st distinct sexes (boys & girls) Mostly parasitic--hookworms, threadworms, pinworms Pseudocoelom (false coelom)--A protective cushiony layer between the endoderm & mesoderm 2 body openings (mouth & anus) 1st distinct sexes (boys & girls) Mostly parasitic--hookworms, threadworms, pinworms

19. Phylum Annelida

20. Annelida Characteristics True coelom All body organ systems, well developed Segmentation Closely related to Molluscs 3 Classes--Oligochaeta (earthworms) Polychaeta (predatory sandworms) Hirudinea (parasitic leeches) True coelom All body organ systems, well developed Segmentation Closely related to Molluscs 3 Classes--Oligochaeta (earthworms) Polychaeta (predatory sandworms) Hirudinea (parasitic leeches)

21. Phylum Mollusca

22. Mollusca--Characteristics 2nd most numerous phylum Largest sizes--> Giant squid & clam Variable body form Most have a mantle that secretes a shell 1st camera-type eye (detailed images) Most have head--viscera--foot 2nd most numerous phylum Largest sizes--> Giant squid & clam Variable body form Most have a mantle that secretes a shell 1st camera-type eye (detailed images) Most have head--viscera--foot

23. Class Bivalvia

24. More Bivalves…

25. Class Gastropoda

26. Gastropods have coiled shells, due to torsion. They are univalves

28. Class Cephalopoda--Squid, Octopus & Cuttle fish

29. Phylum Arthropoda-- Characteristics Most numerous #1 Phylum Jointed Appendages (arms, legs, antennae) muscles are in bundles Exoskeleton (made of chitin) Adapted to nearly every habitat & niche Most have Head--Thorax--Abdomen Most numerous #1 Phylum Jointed Appendages (arms, legs, antennae) muscles are in bundles Exoskeleton (made of chitin) Adapted to nearly every habitat & niche Most have Head--Thorax--Abdomen

31. Phylum Arthropoda Class Insecta

32. Class Arachnida

33. Class Crustacea

35. Phylum Echinodermata (Spiny skin)

36. Echinodermata--Characteristics Spiny skin Endoskeleton (like vertebrates) Deuterostomes (like chordates) blastopore becomes the anus Radial symmetry (pentaradial) Types--seastars, sea cukes, sand dollars, sea urchins Spiny skin Endoskeleton (like vertebrates) Deuterostomes (like chordates) blastopore becomes the anus Radial symmetry (pentaradial) Types--seastars, sea cukes, sand dollars, sea urchins

37. Phylum Chordata

38. Chordate Characteristics--All vertebrates are chordates, but not all chordates are vertebrates Post-anal tail Pharyngeal gill slits Notocord Dorsal neural tube (nerve cord) Post-anal tail Pharyngeal gill slits Notocord Dorsal neural tube (nerve cord)