1. InvertebratesGoal: Students will know the 8 invertebrate phyla

2. What is an invertebrate?  An animal that does not have a backbone  Plural of phylum  The group below kingdom What is phyla?

3. Sponges (Porifera)

4.  Asymmetrical  Lives in water  Filter their food out of water

5. Cnidarians (Cnidaria)

6.  Radial symmetry  Reproduce sexually and asexually  Catch food using stinging cells  Example: Jellyfish, Sea anemone

7. Flatworms (Platyhelminthes)

8.  Bilateral symmetry  Most are parasites  Flat body  Simplest organism with a brain  Examples: Planarian, Tapeworm

9. Roundworms (Nematoda)

10.  Bilateral symmetry  Most are parasites  round body  One-way digestive system  Example: Guinea worm

11. Segmented Worms (Annelida)

12.  Bilateral symmetry  round body divided into segments  Closed circulatory system  Ex: earthworm

13. Mollusks (Mollusca)

14.  Bilateral symmetry  Soft bodied  open circulatory system  Ex: squid, snail, octopus

15. Arthropods (Arthropoda)

16.  Bilateral symmetry  exoskeleton  Segmented bodies  Subgroups:  Arachnids  Insects  Crustaceans  Centipedes  Millipedes

17. Echinoderms (Echinoderma)

18.  Radial symmetry  Endoskeleton  Water vascular system  Ex: sea star, sea urchin