Which one of the following features is common | vedclass

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(C) Silverfish (insect),scorpion (arachnid),dragonfly (insect),and prawn (crustacean) all belong to the phylum $Arthropoda$.The defining characteristi

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Jointed appendages and chitinous exoskeleton

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(C) Silverfish (insect),scorpion (arachnid),dragonfly (insect),and prawn (crustacean) all belong to the phylum $Arthropoda$.The defining characteristics of all arthropods include the presence of jointed appendages and a chitinous exoskeleton,which provides protection and support.Option $A$ is incorrect because scorpions and prawns do not have three pairs of legs.Option $B$ is incorrect because insects have one pair of antennae,while arachnids have none.Option $D$ is incorrect because insects do not have a cephalothorax (they have a distinct head,thorax,and abdomen).

Which one of the following features is common in silverfish,scorpion,dragonfly,and prawn?

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