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salsathief salsathief
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6 years ago
Sponges:
 a. are deposit feeders.
 b. have crudely developed digestive, circulatory, respiratory and nervous systems.
 c. are found only in the deep ocean.
 d. have a skeletal framework.
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wrote...
6 years ago
d
salsathief Author
wrote...
6 years ago
Easily the best answer Grinning Face with Smiling Eyes
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