porifera

Thân thiện

A marine biologist carefully examines a porifera specimen in a clear tank.

Definition

1. Noun:
   • A phylum of primitive aquatic animals: Porifera is the scientific name for the phylum comprising all sponge species. These are simple, multicellular organisms that lack true tissues and organs.
   • The sponge phylum: It is coextensive with the subkingdom Parazoa, distinguishing these animals from all other metazoans.

Usage Examples

• Noun:
  • Marine biology students studied the unique filter-feeding system of the Porifera.
  • The fossil record shows that Porifera have existed for hundreds of millions of years.

Advanced Usage

• In taxonomic classification: The term is used formally in biological taxonomy to categorize all sponge species.
  • The specimen was definitively classified under the phylum Porifera.

Variants and Related Words

• Poriferan (n): An individual animal belonging to the phylum Porifera; a sponge.
  • The researcher collected several poriferans for her study on marine ecosystems.

Synonyms

• Sponges: The common name for the animals within this phylum.
• Parazoa: The subkingdom name, often used synonymously in certain taxonomic contexts to refer to these simple animals.

Học thuật

Noun

1. coextensive with the subkingdom Parazoa: sponges

Từ đồng nghĩa

• Porifera
• phylum Porifera