-
studies have
found support for
monophyletic coelenterates.
Despite this uncertainty, the term
coelenterate is
still used in
informal settings to refer...
- is no
evidence that
medusoids share biological characteristics with
coelenterates;
there is no mouth, no two-layered body wall
enclosing a
single cavity...
- The
mesoglea may be
thinner than
either of the cell
layers in
smaller coelenterates like a
hydra or may make up the bulk of the body in
larger jellyfish...
- cells. The
plexus is the
characteristic form of
nervous system in the
coelenterates and
persists with
modifications in the flatworms. The
nerves of the...
-
primary organ of
digestion and
circulation in two
major animal phyla: the
Coelenterates or
cnidarians (including
jellyfish and corals) and
Platyhelminthes (flatworms)...
- into two subkingdoms:
Metazoa (multicellular animals, with five phyla:
coelenterates, echinoderms, articulates, molluscs, and vertebrates) and
Protozoa (single-celled...
-
Radiata or
Radiates is a
historical taxonomic rank that was used to
classify animals with
radially symmetric body plans. The term
Radiata is no longer...
-
Ctenophora both
exhibit radial symmetry and are
collectively known as
coelenterates.
Coelenterates diverged 570
million years ago,
prior to the
Cambrian explosion...
-
relatives in
genus Argonauta have
eight arms (tentacles).
Compound coelenterates of the
subclass or
order Alcyonaria have
polyps with eight-branched...
- CGA
absent Arg (R) (b) CGC CGC
absent Arg (R) (b) Mold, protozoan, and
coelenterate mitochondrial +
Mycoplasma /
Spiroplasma 4 TGA UGA Trp (W) (np) Stop...
