Cnidaria is a phylum containing over 10,000 species of animals found
exclusively in aquatic ... They have two basic body forms: swimming medusae
and sessile polyps, both of ... In some species, cnid...
Cnidarians are also called Coelenterates because they have? ... What bird is
also called the butcherbird because it impales its prey on thorns? Shrike. 2
... 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 (
specialized ... a middle layer called the mesoglea, and an inner layer called the
gastrodermis, .... Cnidaria (nīdâr´ēə) or Coelenterata (səlĕntərä´tə), phylum of
invertebrate ... the seacoasts everywhere, economically important because they
They have a single opening for ingesting food and eliminating wastes.
Cnidarians include the jellyfishes, ... Also called coelenterate. The American
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 ...
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
Coelenterates - Coelenterata, now obsolete terms ... Anthrozoid Cnidarians that
make up hard corals have symbiotic algae called ... Sea stars such as the crown
of thorns starfish also eat them and can be very damaging if they build up to high
There are two major body forms among the Cnidaria - the polyp and the medusa.
... They have an internal cavity used for respiration and a gastrovascular cavity (a
... layers (the ectoderm and the endoderm) separated by a jelly-like layer called ...
All coelenterates, which also include sea anemones and coral, are simply a
hollow ... Because they have soft bodies, jellyfish fossils are rare. ... Instead they
have tentacles lined with whiplike structures called nematocysts that ...
Cnidarians are essentially the same: cup-like animals but looked at in a slightly