College Chapter 33 Flashcards on Untitled, created by lilgreenada on 04/04/2014.
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Created by lilgreenada
over 10 years ago
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Created by lilgreenada
over 10 years ago
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1) A sponge's structural materials (spicules, spongin) are manufactured by the
A) pore cells.
B) epidermal cells.
C) choanocytes.
D) amoebocytes.
