Subkingdom Parazoa (Noun)
Meaning
Multicellular organisms having less-specialized cells than in the Metazoa; comprises the single phylum Porifera.
Classification
Nouns denoting animals.
Examples
- The subkingdom Parazoa consists of multicellular organisms with a simpler body structure and less-specialized cells than those found in higher animals.
- One of the key characteristics of animals within the subkingdom Parazoa is the lack of distinction between different cell types.
- The subkingdom Parazoa includes the sponges, which are attached to one place and have a basic body structure.
- The distinction between the subkingdom Parazoa and the subkingdom Metazoa is primarily based on the development of specialized cell types in the latter.
- Members of the subkingdom Parazoa are often found in aquatic environments, where they attach themselves to surfaces and filter small organisms for food.