Recent Examples of zooid from the Web
The creatures, made up of individual zooids -- small, multicellular organisms -- normally reside in warmer waters, like the tropics, and usually don't travel farther north than the waters off southern California.
Inside the wall of this gelatinous tube, which can get up to 60 cm, individual zooids are tightly packed together.
These zooids have an incurrent and excurrent siphon and use cilia to pump water for feeding, respiration and movement.
In fact, these giants, called pyrosomes, are actually made up of thousands of much smaller creatures called zooids.
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Britannica.com: Encyclopedia article about zooid
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