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سب کو Wikipedia پر دیکھیںHydrozoa - Wikipedia
Most hydrozoan species include both a polypoid and a medusoid stage in their life cycles, although a number of them have only one or the other. For example, Hydra has no medusoid stage, while Liriope lacks the polypoid stage. Polyps The hydroid form is usually colonial, with multiple polyps connected … مزید دیکھیں
Hydrozoa (hydrozoans; from Ancient Greek ὕδωρ (húdōr) 'water', and ζῷον (zôion) 'animal') is a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. … مزید دیکھیں
Hydroid colonies are usually dioecious, which means they have separate sexes—all the polyps in each colony are either male or female, … مزید دیکھیں
• J. Bouillon; M.D. Medel; F. Pagès; J.M. Gili; F. Boero; C. Gravili (2004). "Fauna of the Mediterranean Hydrozoa" (PDF). Scientia Marina. 68 (2 ed.): 5–438. doi:10.3989/scimar.2004.68s25.
• Les Hydraires à la Réunion et dans l'océan Indien مزید دیکھیںThe earliest hydrozoans may be from the Vendian (late Precambrian), more than 540 million years ago.
Hydrozoan مزید دیکھیںWikipedia متن CC-BY-SA license کے تحت ADW: Hydrozoa: INFORMATION
ويبThe Hydrozoa is a subgroup of cnidarians containging approximately 3700 species. It is a diverse group with a variety of life cycles, growth forms, and specialized structures. Like many cnidarians, hydrozoans have both …
Hydroid | Characteristics & Life Cycle | Britannica
ويبhydroid, any member of the invertebrate class Hydrozoa (phylum Cnidaria). Most hydroids inhabit marine environments, but some have invaded …
Hydrozoa Information | Aquatic Invertebrates | Earth Life
ويب31 اکتوبر، 2023 · Hydrozoa is a class of aquatic invertebrates that are closely related to corals, jellyfish, and sea anemones. They belong to the phylum Cnidaria, which also includes other …
28.2D: Class Cubozoa and Class Hydrozoa - Biology LibreTexts
ويبClass Hydrozoa. Hydrozoa includes nearly 3,200 species; most are marine, although some freshwater species are known. Animals in this class are polymorphs: most exhibit both …
(PDF) An Introduction to Hydrozoa - ResearchGate
ويب1 جنوری، 2006 · PDF | The superclass Hydrozoa of the phylum Cnidaria comprises 3,702 species currently regarded as valid, ascribed to three heterogeneous classes. The... | Find, read and cite all the research...
Introduction to the Hydrozoa - University of California Museum of ...
ويبIntroduction to the Hydrozoa. Perhaps the best-known hydrozoan, familiar to most students of introductory biology, is Hydra, pictured at left. Hydra never goes through a medusoid stage …
Hydrozoa - Animalia
ويبHydrozoa (hydrozoans; from Ancient Greek ὕδωρ (húdōr) 'water', and ζῷον (zôion) 'animal') is a taxonomic class of individually very small, predatory animals, some solitary and some …
Full article: An integrative identification guide to the Hydrozoa ...
ويب29 جولائی، 2018 · This work is the first attempt to assess the biodiversity of the Hydrozoa in the Archipiélago de Bocas del Toro (Panamá, Caribbean Sea) using morphology and molecular …
Hydrozoa - New World Encyclopedia
ويبHydrozoa is a diverse and wide-ranging taxonomic class (sometimes superclass) of marine and freshwater invertebrates within the phylum Cnidaria, whose members are characterized by a life cycle that always includes the …
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