Term
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Definition
| free swimming medusa, prominent form (ex. Jellyfish) |
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Term
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Definition
| some freshwater, some colonies, alternate medusa/polyo (ex. Hydra, Portuguese man-if-war) |
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Term
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Definition
| solitary or colonies, NO medusa, divided gatro vascular cavity, reproduction: egg/sperm (ex. Sea anemone, coral, sea fans) |
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Term
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Definition
| tropical/subtropical, active hunter, complex eyes, 4 tenacles (ex. Box jellyfish) |
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Term
| Turbellaria (platyhelminthes) |
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Definition
| free-living, marine (some freshwater), ciliated epidermis, carnivorous on tiny invertebrates, pharynx, eye spots, auricles (ex. Planarians) |
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Term
| Trematoda/Monogenea (platyhelminthes) |
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Definition
| parasites, intermediate hosts, suckers (ex. Flukes) |
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Term
| Cestoda (platyhelminthes) |
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Definition
| complex life cycle, parasite of vertebrates, no digestive/nervous system (ex. Tapeworm) |
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Term
| Polyplacophora (molluska) |
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Definition
| marine, dorsal shell-8 plates, reduced head, foot for locomotion (ex. Chitons) |
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Term
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Definition
| marine/freshwater/terrestrial, coiled shell (when present), head w/ tentacle & eyes, torsion (Snails, Slugs, Nudibranchs) |
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Term
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Definition
| marine/freshwater, laterally compressed, 2 part hinged shell, hatchet foot, filter feeders (Clams, Oysters, Mussels) |
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Term
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Definition
| marine, predatory, tentacles w/ suckers, closed circulatory system, well-developed eyes, nervous system, may have: no shell, internal or external shell. Defense: pigment granules or ink sac (Squids, Octopods, Cuttlefish, Chambered Nautilus) |
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Term
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Definition
| most marine, well-developed head, trochophore larva, segments bear parapodia w/many setae (Sandworms, Tubeworms) |
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Term
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Definition
| Terrestrial/fresh water, few setae/ segment, hermaphroditic (Earthworms) |
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Term
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Definition
| fresh water, blood sucking parasites, muscular suckers, NO appendages or setae (leeches) |
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Term
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Definition
| unbranched appendages, terrestrial, single pair antennae, Carnivorous (Cetipedes – one pair of legs per segment) |
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Term
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Definition
| unbranched appendages, terrestrial, single pair antennae, herbivorous (Millipedes – two pair of legs per segment) |
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Term
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Definition
| no antennae, no mandibles (Horseshoe crab) |
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Term
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Definition
| Carnivours, 6 pair jointed appendages (Spiders, Scorpions, Mites, Harvestmen) |
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Term
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Definition
| biramous appendages (mandibles, 2 pair antennae), mostly aquatic w/ gills |
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Term
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Definition
| 3 pairs of legs, 3 body regions (head, thorax, abdomen), single pair antennae, Tracheae for gas exchange, Malpighian tubules for excretion, Metamorphosis |
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Term
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Definition
| oral surface upper side, filter feeders (Sea Lilies, Feather Stars) |
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Term
| Asteroids (echinodermata) |
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Definition
| central disc, 5-20 arms, mouth underside (Sea Stars – predators, Sea Daisies – absorb bacteria) |
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Term
| Ophiuroids (echinodermata) |
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Definition
| central disc, thin arms, no suckers, handles food, sensory function (Basket Stars, Brittle Stars) |
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Term
| Echinoids (echinodermata) |
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Definition
| no arms, solid shell (Sea Urchins – long dangerous spines, eats algae, Sand Dollars – small spines, eats organic particles) |
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Term
| Holothuroids (echinodermata) |
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Definition
| (acorn worms, Sea Cucumbers – elongate body, flexible, mouth surrounded by feet) |
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Term
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Definition
| hagfish, jawless, lack pair of fins, no scales, no vertebrate |
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Term
| Petromyzontida (chordata) |
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Definition
| Lampreys – parasites, jawless, lack pair of fins and scales |
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Term
| Chondrichthyes (chordata) |
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Definition
| Sharks/Rays/Skates – cartilaginous embryonic skeleton, placoid scales, some filter feeders,Reproduction – oviparous, ovoviviparous, viviparous |
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Term
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Definition
| Bony Fish – median & paired fins, scales, operculum protects gills |
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Term
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Definition
| Adaptations to land: lungs, strong vertebrate/muscles, body coverings, ears, reproduction, 3 chambered heart, bioindicators |
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Term
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Definition
| birds, evolved from theropods |
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Term
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Definition
| hair, mammary glands, differentiation of teeth, middle ear bone, internal fertilization, placenta, diaphragm |
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Term
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Definition
| many chambered lungs, 3 chambered heart, ectothermic, hard scales, leathery eggs |
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