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Hydra (genus)

en.wikipedia.org/wiki/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...

Hydrozoans - Hydrozoa - Seawater.no

www.seawater.no/fauna/cnidaria/Hydrozoa.html

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

Class Cubozoa and Class Hydrozoa - Boundless

www.boundless.com/biology/textbooks/boundless-biology-textbook/invertebrates-28/phylum-cnidaria-167/class-cubozoa-and-class-hydrozoa-647-11868/

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.

The Anemones, Corals and Jellyfish (Phylum Cnidaria)

www.earthlife.net/inverts/cnidaria.html

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

Portuguese Man-of-war, Physalia physalis - The Cephalopod Page

www.thecephalopodpage.org/MarineInvertebrateZoology/Physaliaphysalis.html

Class: Hydrozoa ... However, this animal is a floating hydrozoan colony, made up of four polyp types: ... The floats include a mechanism that controls the gas to regulate the depth of the organism, which in the case of men-of-war keeps them on ...

The Invertebrate Animals - Kimball's Biology Pages

www.biology-pages.info/I/Invertebrates.html

The phylum contains about 10,000 species distributed in 3 classes: Hydrozoa Although the freshwater hydra is a much-studied representative, it is not typical of ... All the remaining groups of animals belong in a clade whose members share:.

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.

Phylum Cnidaria

chsweb.lr.k12.nj.us/mstanley/outlines/animals/cnidaria/cnidarians.htm

Mar 27, 2004 ... ... asexually through budding. 3 Major classes. Class Hydrozoa: Hydras; Class Scyphozoa: Jellyfish; Class Anthozoa: Anemones and corals ...

Cnidarians - Acadia's Oceanside Meadows Inn

www.oceaninn.com/wildlife/cnidarians.htm

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 ...

Cnidarian Structure and Function - Advanced | CK-12 Foundation

www.ck12.org/book/CK-12-Biology-Advanced-Concepts/section/15.9/

This hydrostatic pressure allows the animals to hold their shape without bones or solid ... The class Hydrozoa contains species that include the siphonophores and hydroids. ... Members of the class Scyphozoa (true jellyfish) and Cubozoa (box jellyfish) .... Identify specific structural features of cnidarians and their functions.

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ADW: Hydrozoa: INFORMATION

animaldiversity.org

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 ...

www.encyclopedia.com

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  ...

Hydrozoa - New World Encyclopedia

www.newworldencyclopedia.org

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