Science quiz - Porifera & Cnidaria
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| have a body of proglottids and a scolex | Platyhelminthes
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| partial digestion in a gastrovascular cavity | Platyhelminthes & Nematoda
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| have bilateral symmetry | Platyhelminthes
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| have 2 body forms, polyp and medusa | Cnidaria
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| hydra, coral | Cnidaria
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| the simplest of all multicellular animals | Porifera
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| digestive system with 2 openings: the mouth and anus | Nematoda
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| have internal skeletons of spicules and sponging fibers | Porifera
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| body covered with a protective cuticle | Platyhelminthes, Nematoda
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| have flagellated collar cells with a mucus collar to trap food | Proifera
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| you should wear shoes to prevent these worms from entering your body | Nematoda
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| have tentacles with stinging cells (nematocysts) | cnidaria
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| has been called a "worm within a worm" | Nematoda
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| have radial symmetry | Cnidaria
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| lack true tissues | Porifera
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| have a body wall of 2 cell layers penetrated by numerous pores | Porifera
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| jellyfish, sea anemones, Portuguese-man-o-war | Cnidaria
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| planarians, flukes and tapeworms | Platyhelminthes
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| have light sensitive eyespots | Platyhelminthes
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| heartworms, Trichinella, and pinworms, hookworm | Nematoda
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| worms that cause your legs to reach the size of elephant's legs | Nematoda
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| excretory system is a series of tubules and flame cells | Platyhelminthes
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| worms that crawl across your eye | Nematoda
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| have a circulatory system, respiratory system and a well developed brain | None of these
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| Porifera | Sponges
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| Cnidaria | Jellyfish
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| Nematoda | Worms
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Created by:
bgpalmers
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