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Phylum

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show Porifera  
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Asymmetric bodies and lack distinct tissues, often classified from other animals   show
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Immobile except in early stages   show
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show Porifera  
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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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Develop from two layered embryo and have two separate tissue layers and radial symmetry   show
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show two-layered  
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show Cnidaria  
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Nematocysts   show
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Hydras, Sea anemones, Corals, Jellyfish, portugese man o war   show
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15, 000 species   show
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show Triploblastic (3 layered embryo).  
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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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show Nematoda  
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Pseudocoelomate   show
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show Nematoda  
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show middle embryonic layer  
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Like platyhelmintheez are parasitic and freeliving   show
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show Nematoda  
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show Nematoda  
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The nematode species that is common subject in genetics labs - Caenorhabdis elegans   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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Eucoelomate   show
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Body cavities are lined with tissue derived from embryonic mesoderm   show
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show Annelida  
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Earthworms   show
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Have kidney structure, blood vessels, and sometimes hermphroditism   show
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show Arthropoda  
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show Arthropoda  
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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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show Uniramia  
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Arachnids, sea spiders, horseshoe crabs   show
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Shrimps, lobsters, crabs, crayfish, barnacles, pillbugs   show
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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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Tiny invertebrate first identified in 1995 when Danish biologist foujnd species in mouth of Norweigan lobster   show
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Closely related to marine phyla Entoprocta and Ectoprocta   show
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50,000 species   show
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show Mollusca  
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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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Small coelom and large hemocoel that functions as open circulatory system   show
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show Mollusca  
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show Mollusca  
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show Echinodermata  
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Endoskeleton composed of many ossicles of calcium magnesium carbonate   show
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show Echinodermata  
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Five fold radial symmetry   show
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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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show Urochordata  
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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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