1) select a invertebrate animal group a) cnidaria b) Aves c) mammaliya 2) Select a animal witch belongs to mollusca a) Bivolve b) Butterfly c) Swan 3) select the invertebrate group of this animal a) Cnidaria b) Mollusca c) Annelida 4) Name a cnidarian animal which belongs to Medusa form a) Sea-anemone b) Jelly-fish c) Hydra 5) Name a animal which belongs to annelida a) snail b) Earthwarm c) Cutterfish 6) Is this animal vertebrate? a) no b) Yes 7) Select a feature of the annelida a) Body is bilaterally symmetrical b) Soft bodied animal c) Posses a external skelton

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