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Anthony7814
Christopher1252
Mollusks, sponges, ascidians, all of them are filter feeders.
Or did I misunderstand the question?
Jennifer5784
And the corals?
James
No. Corals live off zooxanthellae. They have a symbiotic relationship, and those that are not photosynthetic simply eat. I don't know what this is called scientifically.
Joshua448
jellyfish, sea lilies, branching ophiuroids. heterotrophic nutrition.
Kimberly2102
"Translation difficulties" most likely