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Phylum

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Question
Answer
5000 species   show
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show Porifera  
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show Porifera  
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Collect food particles by sweeping flagellated cells   show
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Flagellated cells   show
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show Cnidaria  
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Also Called coelenterate   show
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show Cnidaria  
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show two-layered  
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Two live stages, mobile usually medusa and the sessile polyp   show
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Nematocysts   show
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show Cnidaria  
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show Platyhelminthes and Nematoda  
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Flatworms are most primitive phylum to develop this   show
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show Platyhelminthes  
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show Platyhelminthes  
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show Platyhelmintheez  
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Most are flatworms and hermaphroditic   show
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Parasites like tapeworms, flukes, and free living organism like planarians   show
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show Nematoda  
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Unsugmented worms that live in many habitats   show
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show Nematoda  
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show Nematoda  
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Mesoderm   show
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show Nematoda  
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Hookworms and things that cause elephantiasis, trichinosis, and river blindness   show
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Soil ones are pests, but others kill plant pests   show
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show  
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11,500 species   show
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Segmented worms represent first lineage of truly eucoelomate animals   show
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show having a body cavity lined with mesoderm tissue)  
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show Annelida  
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Polychareta and terrestrial Oligochaeta classes and leeches   show
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show Annelida  
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show Annelids  
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800,000 species   show
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Most diverse and duccessful phylum on earth with about 75% of all species   show
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show Arthropoda  
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Segmented but segments are usually fused into larger body parts with special function   show
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Insects, centipedes, millipedes   show
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show Chelicerata  
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show Crustacea  
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Trilobites (now extinct)   show
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Only 1 specie   show
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show cycliophora  
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show Symbion Pandora  
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show Cycliophora  
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show Mollusca  
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Second most diverse phylum   show
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Soft body covered by a thin mantle, with a muscular foot and an internal visceral mass   show
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show Mollusca  
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show Mollusca  
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show Mollusca  
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show Mollusca  
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6,500 species   show
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Endoskeleton composed of many ossicles of calcium magnesium carbonate   show
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Water Vascular system, ring canal around esophagus, locomotion by tube feet connected by WVS   show
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show Echinodermata  
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Sea stars, sea urchins, sea lilies, sea cucumber   show
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Hae varying degree of bilateral symmetry   show
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show echinodermata  
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Particle feeding through WVS, everting stomach to engulf prey, and scraping device   show
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show Aristotle’s lantern  
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show Chordata  
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show Chordata  
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Sea squirts   show
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Lancelets   show
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show Vertebrata  
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Pharyngeal gill slits, notochord, post-anal tail, dorsal hollow never cord   show
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often used as a demonstration organism in biology labs   show
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