Parazoa (Noun)
Meaning
Multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera.
Classification
Nouns denoting animals.
Examples
- The phylum Porifera, also known as parazoa, consists of simple multicellular organisms with less cellular specialization.
- Parazoa, being the most primitive members of the animal kingdom, primarily draw nutrients directly from the surrounding water.
- Sponges are classified as parazoa due to their lack of true tissue organization and cellular specialization.
- In contrast to metazoa, parazoa do not have nerve or muscle cells, exhibiting a significantly different body structure.
- The cells of parazoa function both individually and collectively, providing the organism with its overall structure and functionality.