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In one of her epeditions, a marine biologist finds a new organism that has an unsegmented, radially-symmetrical body with spiny skin. Under witch phylum should she classify this organism Annelids Arthropods
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In one of her epeditions, a marine biologist finds a new organism that has an unsegmented, radially-symmetrical body with spiny skin. Under witch phylum should she classify this organism

Annelids
Arthropods
Echinoderms
Mollusks

User Konstantin Oznobihin
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Echinoderms usually have spiny skin, Such as the Sea urchin
User Twmills
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