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Hydra (genus) - Wikipedia


Hydra /ˈhaɪdrə/ is a genus of small, fresh-water animals of the phylum Cnidaria and class Hydrozoa, native to the ... Many members of the Hydrozoa go through a body change from a poly...



Like many cnidarians, hydrozoans have both polyp and medusa stages in their life cycle. ..... Hydrozoans are common members of "fouling communities" -- the benthic organisms that naturally attach to hard substrates, and ..... Class Hydrozoa.

Cnidaria facts, information, pictures | Encyclopedia.com articles ...


It includes aquatic organisms such as jellyfish, sea anemones, corals, and hydras . Most cnidarians are ... Cnidarians are divided into three major classes. ... The best-known member of the Hydrozoa is the hydra, a freshwater species. However  ...

Major Phyla Of Animals - Wayne's Word


The following phyla of multicellular animals (called metazoans) are usually included ... Sexual reproduction may involve monoecious species in which members of the .... coelenterates are divided into three classes: Class Hydrozoa ( hydroids), ...

The Anemones, Corals and Jellyfish (Phylum Cnidaria)


The Cnidaria (pronounced nidaria)as a group of animals are well known to .... of Cnidarians divided between 3 classes Hydrozoa, Scyphozoa and Anthozoa.

BIO 112 Lab 5 - Wesleyan College Faculty


5) identify and classify representative animals from each phylum and class; ..... Obelia is a marine member of Class Medusazoa:Hydrozoa. Like many Cnidarians ...

Hydra - Northern State University


All are members of a primitive phylum, the Cnidaria, and share in common ... Smaller animals which blunder into the tentacles are stung and paralyzed and ... in the Great Plains, but most are difficult to identify without detailed microscopy. ... are restricted to ocean habitats, but a few cnidarians of the Class Hydrozoa occur in

more info on Blackwater diving - Milisen Photography - Yola


Many of these animals can be identified to species based on the patterns of .... They may look pretty, but many members of this class and the related hydrozoans  ...

Biological Diversity: Animals I - Estrella Mountain Community College


Organization of the Animal Body | Evolution and Classification of Animals | Trends .... Members of this phylum all have stinging cells that eject a barbed thread and ... taxonomic classes: class Anthozoa, class Hydrozoa, and class Schyphozoa. ..... includes plant-parasitic nematodes) Just in case you wanted to identify those ...

Cnidarians - Acadia's Oceanside Meadows Inn


Cnidarians are said to be the simplest organisms at the tissue grade of ... Most members of the class Hydrozoa, known as hydroids, are small in size and are ...

More Info

General Biology/Classification of Living Things/Eukaryotes/Animals ...


Class Hydrozoa (hydras and Portuguese man-of-war are well-known but ... Most members of this phylum are parasitic (flukes and tapeworms), but some are free ...

Phylum Cnidaria, Class Hydrozoa


... is a colonial organism, a much more common lifestyle among the hydrozoans. ... Then, study the life cycle of Obelia, and identify the ploidy of each stage.

Marine Invertebrates - MarineBio.org


Sponges are relatively simple animals that originated with the first animal life in the ... The four classes of cnidarians are the Anthozoa, the Hydrozoa, the .... We sincerely thank our thousands of members, donors and sponsors, who have ...