Term
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Definition
| Sponges. Parazoa. No symmmetry. No gut openings. |
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Term
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Definition
| Jellyfish, Corals. Eumetazoa. 2 Germ layers. Radial symmetry. 1 Gut opening |
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Term
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Definition
| Flatworms. Eumetazoa. 3 Germ layers. Bilateral symmetry. 1 Gut opening. Acoelomate |
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Term
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Definition
| Roundworms. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Pseudocoelomate. |
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Term
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Definition
| Rotifers. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Pseudocoelomate |
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Term
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Definition
| Clams, snails, octopuses. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Coelomate. Protostome |
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Term
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Definition
| Segmented worms. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Coelomate. Protostome |
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Term
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Definition
| Insects, spiders, crustaceans. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Coelomate. Protostome |
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Term
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Definition
| Sea stars, sea urchins. Eumetazoa. 3 Germ layers. Raial symmetry. 2 Gut openings. Coelomate. Deuterostome |
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Term
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Definition
| Vertebrates. Eumetazoa. 3 Germ layers. Bilateral symmetry. 2 Gut openings. Coelomate. Deuterostome |
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Term
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Definition
| Tunicates, lancelets. Eumetazoa. 3 Gut openings. Bilateral symmetry. 2 Gut openings. Coelomate. Deuterostome |
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Term
| Jawless vertebrate chordates |
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Definition
| Hagfish, Lamprays. Cartilagenous skeleton, cranium. Cold blooded. Flexible notochord. Simple digestive tract, no stomach. Gill slits. Body armor, marine craniates |
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Term
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Definition
| Gnathastomes, chondrichtryan-sharks. Cartilage, bones. 2 chamber heart. Color vision, different senses, electric. No stomach, jaws. Gill slits. Lay eggs |
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Term
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Definition
| Eurodela-salamanders, frogs. Cartilage, bones. 3 chamber, cold. Brain, spinal cord, poor blurry vision. Long tongue. Breath through skin in air or water. Water>land, lay eggs in water |
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Term
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Definition
| Testubins-turtles, crocidalia-crocs,squamata-lizards, avis-birds. Light for flight. 3 chamber cold, 4 chamber warm. 12 cervical nerves, well developed. Gizzards, crop. Lungs, no diaphragm. Scales, lay eggs or live birth, claws. Feathers, communication, good hearing |
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Term
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Definition
| Monotremes-lay eggs, Marsupials-immature young, eutherians-mature young. Bones and cartilage. 4 chamber warm. Most developed system. Closed organs. Lungs, diaphragm. Mammary glands |
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