| Term | Definition |
|---|
| Sponge | No specialized tissues |
| Sponge | Spicules of CaCO3 |
| Sponge | No locomotion, lack of motion, stationary |
| Sponge | Asymmetrical |
| Sponge | All excrete ammonia |
| Sponge | Amebocyte |
| Sponge | Porifera |
| Nematode | Hookworm, pinworm, filariasis, river blindness |
| Nematode | Pseudocolomate |
| Nematode | Tube within a tube |
| Nematode | Triploblastic |
| Arthropod | Book lungs |
| Arthropod | Circulatory system doesn't transport oxygen |
| Arthropod | Horseshoe crab |
| Arthropod | Have an abdomen and cephalothorax |
| Arthropod | Book gills |
| Arthropod | Spider |
| Arthropod | Molt |
| Arthropod | 8 legs |
| Arthropod | Claw like feeding appendage |
| Arthropod | First phylum to venture into the air |
| Arthropod | Exoskeleton made of chitin and protein |
| Arthropod | First to have a respiratory system |
| Arthropod | Insects |
| Arthropod | More species than any other phylum |
| Annelid | Leech |
| Annelid | Their burrowing has affected the global climate |
| Annelid | Earthworm |
| Annelid | Segmented worm |
| Chordate | Humans |
| Chordate | Most have inside skeleton of bones |
| Chordate | Jaws and skulls important in evolution |
| Chordate | Lancelet |
| Chordate | Notochord, most have a backbone |
| Mollusca | Clam |
| Mollusca | 2 tentacles + 8 arms |
| Mollusca | Most have a calcium carbonate shell |
| Mollusca | Mantle of tissue covering body |
| Mollusca | Muscular foot |
| Mollusca | Most intelligent invertebrate |
| Mollusca | Some propel using their water siphon as a jet |
| Mollusca | Octopus |
| Mollusca | Snail |
| Mollusca | Radula |
| Platyhelminthe | Digestive track with entrance being the exit |
| Platyhelminthe | Bilateral symmetry |
| Platyhelminthe | Acoelomate |
| Platyhelminthe | Ladder like nervous system |
| Platyhelminthe | Penis fencing |
| Platyhelminthe | Tapeworm |
| Platyhelminthe | First to have cephalization |
| Platyhelminthe | Flattened bodies |
| Cnidarian | Nerve net |
| Cnidarian | Mesoglea |
| Cnidarian | Some have exoskeleton of lime |
| Cnidarian | Nematocysts |
| Cnidarian | Diploblastic |
| Cnidarian | Sea Anemomes |
| Cnidarian | Hydra polyp |
| Cnidarian | Medusa |
| Echinoderm | Respiratory tree |
| Echinoderm | Nerve ring |
| Echinoderm | Some spine are pedicellaria |
| Echinoderm | Endoskeleton of calcareous plates |
| Echinoderm | Sea cucumber |
| Echinoderm | Five-part radial symmetry |
| Echinoderm | Water vascular system |
| Echinoderm | Sand dollar |
| Echinoderm | Hard but flexible bodies with interlocking plates under thin skin |
| Arthropod | Green glands for excretion |
| Annelid | Coelomate |
Combine with other sets
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