| 单词 | Hydrozoa |
| 释义 | Hydrozoa (once / 656629 pages) n WORD FAMILY Hydrozoa USAGE EXAMPLESAlthough he deals mainly with Indian forms the book contains an unusually full account of the life-history and bionomics of freshwater Sponges, Polyzoa, and Hydrozoa. Annandale, Nelson, Freshwater Sponges, Hydroids & Poly...(2011) Other cœlenterates, of the same essential type but of simpler structure, form the class Hydrozoa. Various, The Contemporary Review, Volume 36,...(2010) But with the oceanic Hydrozoa this is by no means the case. Spencer, Herbert, Essays: Scientific, Political, & Sp...(2010) n coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes Syn|Hyper class Hydrozoa class (biology) a taxonomic group containing one or more orders |
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