Answer to Question #155005 in Biology for Anas

Question #155005

Define the following terms: Collar cell and Specula?

1
Expert's answer
2021-01-18T03:37:16-0500

Collar cells are cells that line the interior of the choanoderm, a cell layer in sponges. These cells contain a central flagellum surrounded by microvilli joined by a thin membrane.

Specules are structural components of sponges providing structural support and protection from predators. These structures can be calcareous or siliceous.


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