As a colony-forming choanoflagellate, " Proterospongia " is of interest to scientists studying the mechanisms of intercellular signaling and adhesion present before animals appeared.
2.
It is said that they are " considered to be the closest living relatives of the animals " and that a " number of species such as those in the genus Proterospongia form simple colonies, " so do any have buddies or rivals ? talk ) 03 : 36, 25 June 2012 ( UTC)
3.
Perhaps the best-known holozoans, apart from animals, are the choanoflagellates, which strongly resemble the collar cells of sponges, and so were theorized to be related to sponges even in the 19th century . " Proterospongia " is an example of a colonial choanoflagellate that may shed light on the origin of sponges.
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