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
Jan 25, 2013 ... The vast majority of animals that live in the ocean also fall into this ...
biomolecular techniques to identify signature sequences in the DNA of ... Five
sponges beloning to the class Dermospongia: A. Halichodria melanodocia; B. a
member of .... Hydrozoans are a complex and diverse group of mostly marine ...
Mar 29, 2014 ... Hydrozoans are carnivorous animals that can be solitary or colonial. ... Hydrozoa
is a very diverse class with members that vary considerably ...
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
The Cnidaria (pronounced nidaria)as a group of animals are well known to .... of
Cnidarians divided between 3 classes Hydrozoa, Scyphozoa and Anthozoa.
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.
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 ...
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 ...
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