Answer:
Diet: Sponges are filter feeders. Most sponges eat tiny, floating organic particles and plankton that they filter from the water the flows through their body.
to be a sessile is to be still and not moving
an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense.Tapeworms are parasites that survive within another organism, known as the host. They grow after the host ingests the eggs of the tapeworm. Drinking contaminated water and eating contaminated food are the primary causes. Oral medication is a common treatment.
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