1. Invertebrates

2. Characteristics of Invertebrates Simplest animals Contain the greatest number of different species Most are aquatic (found in water) Do NOT have a backbone Includes sponges, cnidarians, flatworms, roundworms, annelids, mollusks, arthropods, and echinoderms

3. Domain- Eukarya Kingdom- Animalia I. Phylum- Porifera Ex: all sponges Very simple

4. http://www.youtube.com/watch?v=BW05vMz iy2o&feature=fvwrel http://www.youtube.com/watch?v=BW05vMz iy2o&feature=fvwrel

5. Domain- Eukarya Kingdom- Animalia II. Phylum- Cnidaria Ex: animals with stinging cells

6. jellyfish

7. Sea anemone

8. hydra

9. http://www.youtube.com/watch?v=GqdvEhI1 RS0 http://www.youtube.com/watch?v=GqdvEhI1 RS0 http://www.youtube.com/watch?v=uIf0kRpkQ _0 http://www.youtube.com/watch?v=uIf0kRpkQ _0

10. Domain- Eukarya Kingdom- Animalia III. Phylum- Platyhelminthes Ex: all flatworms Hint- platy means flat!!!

11. planaria

12. tapeworm

13. http://www.youtube.com/watch?v=osuABmT utZM&feature=results_main&playnext=1&list =PLB8A46404E8B20BDA http://www.youtube.com/watch?v=osuABmT utZM&feature=results_main&playnext=1&list =PLB8A46404E8B20BDA

14. Domain- Eukarya Kingdom- Animalia IV. Phylum- Nematoda Ex- all roundworms

15. Roundworms

16. Intestinal worms

17. Domain- Eukarya Kingdom- Animalia V. Phylum- Annelida Ex- worms with segmented bodies!

18. Earthworms!!

19. leeches

20. Domain- Eukarya Kingdom- Animalia VI. Phylum- Molluska Ex: animals with a shell or no shell

21. Clams, snails, octopi, slug

22. http://www.youtube.com/watch?v=jsxAr_yrJt M http://www.youtube.com/watch?v=jsxAr_yrJt M

23. Domain- Eukarya Kingdom- Animalia VII. Phylum- Arthropoda Means ‘jointed foot’ Ex- all insects (6 legs), spiders (8 legs), horseshoe crabs, crustaceans

24. Insects- 6 legs

25. Spiders (arachnids) 8 legs

26. Horseshoe crab

27. http://www.youtube.com/watch?v=DQLAzcZQ Aq8 http://www.youtube.com/watch?v=DQLAzcZQ Aq8 http://www.youtube.com/watch?v=DQLAzcZQ Aq8

28. Domain- Eukarya Kingdom- Animalia VIII. Phylum- Echinodermata Means ‘spiny skin’ Ex- animals with spiny skin: starfish, sea urchins…

29. starfish

30. Sea urchin

31. Other Invertebrates… Domain- Archaea Bacteria that live in extreme conditions- Ex- halophiles- love salt Thermophiles- love heat Domain- Bacteria- all other bacteria most numerous of all living things!