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Description
Flashcards by lilgreenada, updated more than 1 year ago
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Created by lilgreenada
over 10 years ago
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| Question | Answer |
| 1) A sponge's structural materials (spicules, spongin) are manufactured by the A) pore cells. B) epidermal cells. C) choanocytes. D) amoebocytes. | D |
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