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Biology 17 Online
OpenStudy (anonymous):

Which feature is shown ONLY by higher invertebrates, as compared to lower invertebrates?

OpenStudy (anonymous):

Theree Germ Layer

OpenStudy (anonymous):

Nope. Higher developed invertebrates have a true coelem like mollusks, annelids, echinoderms, and arthropods. The coelom is a fluid-filled cavity formed within the mesoderm. Lower invertebrates are those invertebrates without specific organs.

OpenStudy (anonymous):

True coelem

OpenStudy (alexanderphantomhive):

he is right. its true coelom

OpenStudy (alexanderphantomhive):

if you are using plato its B

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