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Keywords from Image Description:
FMIB Sponges to illustrate choanocyles Ch section calcareous sponge Ect ectoderm Mes mesoderm calcerous spicule Eis.jpeg check categories September Sponges to illustrate choanocyles Ch section calcareous sponge Ect ectoderm Mes mesoderm calcerous spicule Eis ovum Subject SpongesAnatomy Tag Invertebrates Cite book SeaBeach at