| 单词 | class Hydrozoa |
| 释义 | class Hydrozoa (once / 5909656 pages) n WORD FAMILY class Hydrozoa USAGE EXAMPLESThe simplest in structure of the cœlenterates are those that constitute the class 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) 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 Hydrozoa class (biology) a taxonomic group containing one or more orders |
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