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Which is the smallest unit of measurement for temperature?
Tube Feet
Small, flexible, hollow appendages used mostly for movement and feeding by echinoderms, such as sea stars and sea urchins.
Water Pressure
The force exerted by water on the surrounding environment, which increases with depth and is a critical factor in aquatic ecosystems and engineering.
Radial Symmetry
A form of symmetry in which body parts are arranged around a central axis, seen in organisms like jellyfish and sea urchins.
Sponges
Simple aquatic animals of the phylum Porifera, characterized by a porous body and a rudimentary structure, feeding by filtering water through their bodies.
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