Class Hydrozoa (Noun)
Meaning
Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
Classification
Nouns denoting animals.
Examples
- The taxonomic class Hydrozoa includes around 3,000 species of small, freshwater animals like hydras and tiny marine animals like jellyfish.
- The phylum Cnidaria includes four classes, with class Hydrozoa being one of them and comprising a variety of species.
- Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding belongs to class Hydrozoa.
- Some species of class Hydrozoa have a life cycle that consists of both a polyp and a medusa stage, while others may only have one of these stages.
- Class Hydrozoa contains many species of jellyfish, including some that are known for their painful stings.