1. Phyla of Kingdom Animalia n Porifera n Cnidaria n Ctenophora n Platyhelminthes n Ectoprocta n Mollusca n Annelida n Arthropoda n Echinodermata n Chordata

2. Phylum: Porifera n Sponges: around 5,000 living species n Simplest multi-cellular organisms n Cellular-level organization –Their cells are specialized –Similar cells are not organized into tissues n All sessile and benthic n Filter feeders

7. Phylum: Cnidaria n Radially or Biradially symmetric n Tissue level of organization n True organs do not occur n Two basic body forms: –Medusa: free swimming or floating –Polyp: usually sessile n Nematocysts

8. Phylum: Cnidaria n Corals n Hydroids n Sea anemones n Jellyfish n Sea pens

25. Phylum: Echinodermata n Calcereous endoskeleton n Pentaradial symmetry n Water vascular system (tube feet) –Decentralized nervous system

26. Phylum: Echinodermata n Sea stars n Brittle stars n Sea urchins n Sand dollars n Sea cucumbers

39. Phylum: Arthropoda n Bilaterally symetrical n Strongly segmented bodies n Exoskeletal construction n Molting required for growth n More species of Arthropod than all other species combined

40. Phylum: Arthropoda n Barnacles n Shrimp n Crabs n Lobster n Isopods n Amphipods n Copepods

48. Phylum: Mollusca n Bilaterally symmetrical n Strongly cephalized n Complicated digestive system n Complicated nervous system n Most have a shell n Over 50,000 living species

49. Phylum: Mollusca n Abalone n Nudibranchs n Octopi n Squid n Scallops n Sea hare n Mussels n Oysters n Clams n Periwinkles n Chitons n Snails n Limpets

76. Phylum: Chordata (vertebrates) n Organisms that possess a Notochord –a rod that serves to stiffen the body and act as a support during locomotion n Bilateral symmetry n Segmented body n Ventral heart and closed blood system n Bony or cartilaginous endoskeleton

77. Phylum: Chordata (vertebrates) n Tunicates n Salps n Sharks n Rays n Skates n Bony fish n Sea lions n Seals n Whales n Sea otters n Dolphins n Birds