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2007-04-09 04:04:20 · 1 answers · asked by connie w 1 in Environment

1 answers

Sponges are filter feeders, so they consume plankton. Sponges aren't a good food source because they contain spongin and spicules which aren't digestible and could be irritating to the digestive system.

2007-04-09 04:08:04 · answer #1 · answered by ecolink 7 · 0 0

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