Cnidaria
9.2
A group of water animals like jellyfish or corals that have stinging cells
- noun
- /nɪˈdɛəriə/
- Specialized
:
Cnidaria
- Hydras are simple aquatic organisms belonging to the phylum Cnidaria.
Examples
-
Corals, which are part of Cnidaria, play a crucial role in marine ecosystems.
-
The colorful jellyfish is a fascinating member of the phylum Cnidaria.
-
Both hard and soft corals belong to the same phylum of Cnidaria, but differ most significantly in that the former builds calcium carbonate skeletons while the latter do not.
Blog text (8)
Synonyms
7.5
A group of water animals like jellyfish, sea anemones, and corals that have stinging cells
is the same but is the formal taxonomic label
Compounds
phylum Cnidaria
- Specialized
7.5
A group of water animals like jellyfish, sea anemones, and corals that have stinging cells
Surface Forms
Etymology
Cnidaria comes from an old Greek word knidē, meaning 'nettle', a plant that stings. Think of jellyfish and sea anemones as 'sea nettles' because they have tiny stinging cells, which is why they are called Cnidaria.
