sessility
/sɛˈsɪləti/
noun
- The state or quality of being permanently attached to a surface and not able to move, used especially in biology for animals like barnacles or corals.
- In biology class, we learned that sessility evolved independently in many marine animals.
- Sessility is an advantage for filter feeders that live in strong currents.
- The sessility of barnacles means they spend their entire adult life attached to a rock or ship hull.
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