parazoan

(noun)

include only one phylum known as the sponges

Related Terms

Examples of parazoan in the following topics:

  • Complex Tissue Structure

    • Sponges, such as those in the Caribbean Sea, are classified as Parazoans because they are very simple animals that do not contain true specialized tissues.

  • Phylum Porifera

    • The simplest of all the invertebrates are the Parazoans, which include only the phylum Porifera.