BC: By Tomar Bush Biology Summer Semester 2011
FC: Invertebrates Animals Without Backbones
1: Coral | Jellyfish | Hydra | Sea Anemone | Cnidarians True Tissues | An ancient group of invertebrates with rich fossil record
2: Porifera-sponges Multicellularity | Have saclike bodies perforated by many pores. Sponges are aquatic, largely marine animals that vary greatly in size.
3: Nematoda-roundworms Pseudocoelomates | Hookworm | Pinworm | Ascaris | Possess two anatomic features not previously seen: a body cavity and a complete digestive tract Nonsegmented
4: Tapeworm | Fluke | Platyhelminthes-flatworms Bilateral Symmetry | Have three germ layers: ectoderm, endoderm & mesoderm Have no coelum and are acoelomates