They have very simple tissue organization, with only two layers of cells, external
... leading into a spacious cavity called the gastrovascular cavity or coelenteron.
... the term coelenterate is st...
Cnidarians are also called Coelenterates because they have? Edit. Answered by
The Community. Making the world better, one answer at a time. a hollow gut.
These soft-bodied creatures called coelenterates, or cnidarians, lived in the
ancient ... They also have cells that respond to light, touch, and the pull of gravity.
... Coelenterates are an interesting group of animals because they are found in
Apr 6, 2015 ... Cnidarian, also called coelenterate, sea anemone [Credit: Chuck .... cannot be
said to have true ovaries and testes because they lack organs.
The Cnidaria (pronounced nidaria)as a group of animals are well known to many
... The name Cnidaria has now pretty much replaced the older term of
Coelenterata ... also known as the Radiate Animals because they both have
radial or biradial ... called Ediacara is 700 million years old, while numerous
fossil Cnidarians ...
(sīlĕn'tərā`tə), another name for the phylum CnidariaCnidaria ... this phylum and
is preferred by some because the name Coelenterata, as first used, included the
... The central body cavity is the gastrovascular cavity, also called the enteron or
coelenteron. ... The morphologically simplest coelenterates, the Hydrozoa, have .....
... to a group of organisms known as cnidarians or sometimes called
coelenterates. ... Because they belong to the animal kingdom, you can also
assume that all ... Coral reefs are actually made from the skeletons of cnidarians
that have build ... The ones that sit on a surface with their tentacles pointing up
are called polyps.
Most cnidarians possess tentacles, and many also have nematocysts ... This
opening is surrounded by tentacles and leads to an internal digestive cavity
called the .... Cnidaria (nīdâr´ēə) or Coelenterata (səlĕntərä´tə), phylum of
invertebrate ... the seacoasts everywhere, economically important because they
The phylum Cnidaria (Coelenterata in some texts) includes both solitary and ...
because of their ability to actually catch food with their stinging cells called
nematocysts. ... Anthozoans differ from other Cnidaria in that they have no
medusoid stage. ... Scleractinian corals also have six primary septa, but in
contrast to rugosa ...
Jul 7, 2009 ... They have two archetypal body forms, the polyp and the medusa, and most
lineages ... One of the shared features among them are cnidocytes (also called ...
because they require more time and energy to modify their structure ...