Phylum Porifera: Definition, Characteristics & Examples


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question 1 of 3

Where do the organisms of the phylum Porifera draw their name?

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1. Which of the following statements best describes the function(s) of choanocytes in the phylum Porifera?

2. Which of the following statements best describes the spicule composition of class Demospongia in the phylum Porifera?

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About This Quiz & Worksheet

The world of sponges is a bit more vast than you might be aware of. That said, the emphasis of these practice questions falls on Phylum Porifera, choanocytes, and spicule compositions.

Quiz & Worksheet Goals

To expand on the above, you will demonstrate your knowledge of:

  • Where Phylum Porifera gets its name
  • Functions of choanocytes
  • The spicule composition of the Demospongia and Hexactinellid classes
  • Components of the Phylum Porifera

Skills Practiced

  • Knowledge application - use your knowledge to answer questions about classifications of sponges
  • Distinguishing differences - compare and contrast items such as the classes Hexactinellid and Demospongia
  • Interpreting information - verify that you can read information regarding different spicule compositions and interpret it correctly
  • Critical thinking - apply relevant concepts to examine information about sponges in a different light

Additional Learning

Read our lesson named Phylum Porifera: Definition, Characteristics & Examples if your goal is to gain a greater awareness of sponges. The lesson will go into more detail about subjects such as:

  • The scientific name for sponges
  • A sponge's body
  • Phenomenal filtration
  • Varieties of spicule formations