Marine Invertebrates (Benthos and Nekton organisms) 0.0 / 5 ? Marine ScienceMarine ecologyUniversityNone Created by: scaryCreated on: 12-01-18 13:02 Which phylum do anemones, jelly fish and corals belong to? Cnidaria 1 of 10 What class lacks the medusa stage and only exists in polyp form? Anthozoa 2 of 10 what is the largest and most varied group of molluscs? Gastropods 3 of 10 What muscles are used by living clams to close the shell Adductor 4 of 10 What are used to help filter water in and out of a clam whilst octopuses use it for jet propulsion? Siphon 5 of 10 What phylum do insects crabs spiders and barnacles belong to? Athropoda 6 of 10 What is the largest class of crustaceans? Decapoda 7 of 10 What is the name of the head and thorax which is fused together? Cephalothorax 8 of 10 What phylum do sea stars, urchins and cucumbers belong to? Echinodermata 9 of 10 What type of radial symmetry do sea stars possess? Pentamerous 10 of 10
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