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Biology 21 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

@Abhisar

OpenStudy (anonymous):

Ummm , Arthropods ?

OpenStudy (abhisar):

Nopes...!!

OpenStudy (anonymous):

Mollusks ?

OpenStudy (abhisar):

Spiny skin is the characteristic features of Echinoderms. Ex Starfish

OpenStudy (anonymous):

Ooh .(:

OpenStudy (abhisar):

And Sea urchins http://prntscr.com/3ye16c

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