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Hydra (genus)


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.

Class Cubozoa and Class Hydrozoa - Boundless


Learn more about class cubozoa and class hydrozoa in the Boundless open textbook. ... are true polymorphs and can be found as colonial or solitary organisms.

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.

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 ...

Hydrozoa - New World Encyclopedia


Mar 29, 2014 ... Hydrozoans are carnivorous animals that can be solitary or colonial. ... Hydrozoa is a very diverse class with members that vary considerably ...

more info on Blackwater diving - Milisen Photography - Yola


... only at night, they need to produce their own light to find and identify one another. ... They have been categorized with the holoplankton (permanent members of the plankton) at the top and meroplankton (organisms that spend only .... They may look pretty, but many members of this class and the related hydrozoans can ...

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.

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), ...

Chapter 3: Phylum Cnidaria

www2.hendrix.edu/biology/dearolf/Zoology Manual chap3&4 - Secured.pdf

coelenteron) of the organism. The flagella ... of the class Hydrozoa, and instead the jellyfish Gonionemus (Fig. ..... Be able to identify the organism and know it is.

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Hydrozoans - Hydrozoa - Seawater.no


Feb 3, 2016 ... Hydrozoans are small predatory animals. ... Identification Portal classify them as member of the class Leptolida (of the superclass Hydrozoa).

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 ...

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


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