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Invertebrates

Invertebrates. 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.

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Invertebrates

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  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=BW05vMziy2o&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=GqdvEhI1RS0 • 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=osuABmTutZM&feature=results_main&playnext=1&list=PLB8A46404E8B20BDAhttp://www.youtube.com/watch?v=osuABmTutZM&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_yrJtM

  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=DQLAzcZQAq8 http://www.youtube.com/watch?v=DQLAzcZQAq8

  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!

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