Marine Invertebrates (Benthos and Nekton organisms)

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  • Created by: scary
  • Created on: 12-01-18 13:02
Which phylum do anemones, jelly fish and corals belong to?
Cnidaria
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What class lacks the medusa stage and only exists in polyp form?
Anthozoa
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what is the largest and most varied group of molluscs?
Gastropods
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What muscles are used by living clams to close the shell
Adductor
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What are used to help filter water in and out of a clam whilst octopuses use it for jet propulsion?
Siphon
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What phylum do insects crabs spiders and barnacles belong to?
Athropoda
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What is the largest class of crustaceans?
Decapoda
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What is the name of the head and thorax which is fused together?
Cephalothorax
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What phylum do sea stars, urchins and cucumbers belong to?
Echinodermata
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What type of radial symmetry do sea stars possess?
Pentamerous
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Other cards in this set

Card 2

Front

What class lacks the medusa stage and only exists in polyp form?

Back

Anthozoa

Card 3

Front

what is the largest and most varied group of molluscs?

Back

Preview of the front of card 3

Card 4

Front

What muscles are used by living clams to close the shell

Back

Preview of the front of card 4

Card 5

Front

What are used to help filter water in and out of a clam whilst octopuses use it for jet propulsion?

Back

Preview of the front of card 5
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