- with a
planula stage, many
coastal scyphozoans, and some hydrozoans. The
planulae of the
subphylum Medusozoa have no mouth, and no
digestive tract, and are...
-
simultaneously overnight,
often around a full moon.
Fertilized eggs form
planulae, a
mobile early form of the
coral polyp which, when mature,
settles to...
- hydrozoans, T.
dohrnii 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...
- ****ually
mature medusae.
These spawn gametes which develop into non-swimming
planulae that
crawl away to new locations.
Hydrozoa is a
large group of solitary...
-
Effects of the
Sunscreen UV Filter,
Oxybenzone (Benzophenone-3), on
Coral Planulae and
Cultured Primary Cells and Its
Environmental Contamination in Hawaii...
-
stage in most instances.
Sperm fertilize eggs,
which develop into
larval planulae,
become polyps, bud into
ephyrae and then
transform into
adult medusae...
-
actinula larvae that
either settle on a
suitable substrate (in the case of
planulae), or swim and
develop into
another medusa or
polyp directly (actinulae)...
-
settling on the
seabed and
metamorphosing into a
juvenile polyp. Some
planulae contain yolky material and
others incorporate zooxant****ae, and these...
- the water, and has been
reconstructed by
comparing different stages of
planulae collected at sea. The
first two
structures to
emerge are the pneumatop****...
-
bilaterians it
forms at the
other end (vegetal pole). The larvae,
called planulae, swim or
crawl by
means of cilia. They are cigar-shaped but
slightly broader...
