Coral Anatomy Quiz

Match the following coral structures to the correct function(s) that it performs. Each term will only be used once.

1.  

   A gelatinous substance that is used to aid in food capture, protection, and removal of sediment and waste.

2.  

   Inner layer of cells that line the gastrovascular cavity absorbing nutrients, excreting mucus and waste, and allowing for gas exchange and reproduction.

3.  

   Located at the center of the oral disk and expels waste and injects food.

4.  

   Supports the inner folds of the mesenteries.

5.  

   The inner cell layer that houses zooxanthellae.

6.  

   The jelly-like substance in between the ectodermis and gastrodermis that helps maintain the form of animals.

7.  

   The outer cell layer that houses nematocysts and secretes mucus.

8.  

   The structure that holds an individual coral polyp in place allowing for stability; sometimes referred to as the cuplike skeleton.