One of the mysteries of the English language finally explained.
A coelenterate of the class Hydrozoa, such as a hydra or Portuguese man-of-war.
- ‘Hatchlings will feed on macroplankton, small snails, crustaceans and other invertebrates such as hydrozoans and jellies.’
- ‘The difference between most hydrozoans and most scyphozoans is that in hydrozoans, the polyp stage usually predominates, with the medusa small or sometimes absent.’
- ‘There are three subgroups within the cnidarians that have medusae, cubozoans, hydrozoans, and scyphozoans.’
- ‘Most hydrozoans alternate between a polyp and a medusa stage - they spend part of their lives as ‘jellyfish’ which are hard to distinguish from scyphozoan jellyfish.’
- ‘Scyphozoan medusae differ from those of hydrozoans in lacking a velum.’
Relating to or denoting hydrozoans.
- ‘Hydrozoan colonies display a diverse array of forms.’
- ‘Getting hooked up with an animal like Donax seemed a very clever trick of hydrozoan evolution.’
- ‘Porpita is a member of a small but very widespread group of hydrozoan cnidarians, the Chondrophorina.’
- ‘Many hydrozoan species perform large vertical diel migrations, which may bring individuals together in spawning aggregations.’
- ‘The pinnacle of hydrozoan colonial complexity can be found in members of the Family Siphonophora.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.