Sponges filter food from water, and fix themselves to the floor, rocks, or reefs where water currents consistently bring nutrients. This collection currently contains images of the dried skeletal structures that support these animals.
Sponges filter food from water, and fix themselves to the floor, rocks, or reefs where water currents consistently bring nutrients. This collection currently contains images of the dried skeletal structures that support these animals.
This NBII site is developed and maintained by the Center for Biological Informatics of the U.S. Geological Survey.
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