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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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Guido Guido
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7 years ago
The currents of water (containing food) that pass through a sponge are maintained by
A) collar cells.
B) ganglia.
C) medusae.
D) the osculum.
E) a water-vascular system.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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CellarCellar
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7 years ago
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Guido Author
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7 years ago
Good timing, thanks!
annakc
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Yesterday
Brilliant ツ
Marctheshark
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2 hours ago
Helped a lot
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