- A
planula is the free-swimming, flattened, ciliated,
bilaterally symmetric larval form of
various cnidarian species and also in some
species of Ctenop****s...
- M.
planula may
refer to a few
different species.
Macrochlamys planula [zh; wikidata], a
species of air-breathing land
snails in the
family Ariophantidae...
-
Magosphaera planula was a
spherical multiflagellated multicellular microorganism discovered by
Ernst Haeckel in
September 1869
while he was collecting...
-
coral planula to
nearby reefs, and the
selection of a spot
while avoiding harmful UV radiation,
sedimentation and shading,
giving the
planula the best...
- cycle. The
basic pattern is
medusa (usually the
adult or ****ual phase),
planula larva, polyp, medusa.
Symmetry is tetramerous, with
parts in
fours or multiples...
-
begin their lives as tiny, free-swimming
larvae known as planulae. As a
planula settles down, it
gives rise to a
colony of
polyps that are
attached to...
-
There is an
increasing size from
starting stage planula to ephyra, from less than 1 mm in the
planula stage, up to
about 1 cm in
ephyra stage, and then...
-
corners of a
single opening with lips fusing. E.g.
Acoela resemble the
planula larvae of some Cnidaria,
which exhibit some
bilaterian symmetry. They are...
- life cycle, and the
medusa is
normally the ****ual phase,
which produces planula larvae.
These then dis****
widely and
enter a
sedentary polyp phase which...
- opening,
similar to Xenoturbella. Alternatively, it may have
resembled the
planula larvae of some cnidaria,
which have some
bilateral symmetry. However, there...
