KSIĄŻKI POWIĄZANE ZE SŁOWEM «PLANULA»
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1
Introduction to Marine Biology
The fertilized egg develops into a planktonic planula larva that grows in the water
column. The planktonic larva allows these sessile animals to disperse their
young to other areas. Eventually the planula settles on a solid surface and begins
to ...
George Karleskint, Richard Turner, James Small, 2012
2
Atlas of Invertebrate Anatomy
The life cycle includes a planktonic planula larva. SUBORDER Anthomedusae
Eudendrium generale (4) A branching athecate hydroid, up to 300 mm high, with
small, yellow gastrozooids and small, orange gonophores, attached to rocks at ...
Donald Thomas Anderson, 1996
3
Primordial Germ Cells in the Invertebrates: From Epigenesis ...
... transformation Endodermal Endodermal Ectodermal Parenchymula
Parenchymula Ciliated larva Parenchymula Parenchymula Parenchymula
planula planula planula Planula planula planula planula Planula Planula
Planula Gastrulation ...
Pieter Dirk Nieuwkoop, Lien A. Sutasurya, 1981
4
Coelenterate Ecology and Behavior
The lengthening of the anterior cell initiates planula extension. The increased
pressure in this anterior cell causes not only the anterior tip of the planula to
extend, but also causes the cell's posterior membrane to become convex which ...
5
Jellyfish Blooms: Ecological and Societal Importance: ...
A. auriui polyps. however. seasonal changes in the number of newly settled
polyps and total number of ephyrae liberated in each polyp are unknown. ln
Tokyo Bay. the female medusae with planula larvae occur throughout the
year1Miyake et ...
J. E. Purcell, W. M. Graham, Henri J. Dumont, 2001
6
Animal Evolution: Interrelationships of the Living Phyla
The alternative 'planula theories' actually grew out of Haeckel's early papers too (
Haeckel 1870, 1873), the name planula being taken from a hydrozoan larva
described by Dalyell (1847). Haeckel proposed that the earliest stage in animal ...
7
Current Topics in Developmental Biology
However, available data suggest a role for cnidarian Hox genes in patterning the
oral-aboral axis. Planula Adult Two Possible Expression Patterns Tentacle Fig.
11 Two possible expression patterns of anthox genes. Differential expression of ...
Roger A. Pedersen, Gerald P. Schatten, 1998
8
Evolving Pathways: Key Themes in Evolutionary Developmental ...
A particularly vexing old problem, which may hold the key to axial homologies, is
the correspondence between the O-AB axis of planula larva and polyp, and
between these and the A-P axis of bilaterians. Planula larvae swim with the
aboral or ...
Alessandro Minelli, Giuseppe Fusco, 2008
9
The Tree of Life: A Phylogenetic Classification
However, numerous variations on this life cycle exist. There is typically a planula
larva with a ciliated epidermis (fig. 2: longitudinal section of a 300 um planula
larva of Gonothyraea sp.; cil: cilia, ecto: ectoderm, entio: endoderm). Figure 1
endo ...
Guillaume Lecointre, Hervé Le Guyader, 2006
10
Strickberger's Evolution
Planula Hypothesis A third and more well supported hypothesis states that the
blastula was followed not by gastrulation but by the formation of a solid ball of
cells (a planula) in which the ectodermal cells became specialized for locomotion
...
Brian K. Hall, Dalhousie University Brian K Hall, PH.D., Benedikt Hallgrímsson, 2011
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PLANULA»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
planula w wiadomościach.
Summer Full Moons Trigger 'Sex' on Florida Keys Coral Reefs
When egg and sperm do unite, the newly formed larvae or "planula" ascends to the surface to free-float in the current. Within a matter of days or ... «HealthNewsDigest.com, Lip 15»
Lady Gaga's Favorite Shoe Designer Kermit Tesoro Unveils Octopus …
One snap was captioned, “Planula larva” stage,” which basically shows sketches of his design as well as a sculpture of a piece of the heels. «Food World News, Lip 15»
In Photos: Moon Jellyfish Can Rearrange Limbs
Adults live for mere months, but the jellyfish life cycle is complex: Fertilized eggs become larvae called planula, according to the New England ... «Live Science, Cze 15»
Where do jellyfish come from?
Each fertilized egg develops into a planula larvae which will eventually settle on a hard surface and then develop once again into a small polyp ... «Irish Independent, Cze 15»
The White Space in Evolutionary Thinking
Because we can find a series of animals that resemble each step in the story -- Volvox, the sea urchin embryo, the planula of jellyfish, and ... «Discovery Institute, Kwi 15»
Charlie Hebdo od danas na kioscima u Zagrebu
Tri milijuna primjeraka novog broja satiričkog tjednika Charlie Hebdo planula su u samo pola sata, pa je list odlučio dotiskati još dva milijuna. «Jutarnji, Sty 15»
Seeing past the jellyfish sting
A young planula settles down as a sedentary polyp, which can sprout more polyps, sometimes for several years. Triggered by temperature ... «Science News, Sie 14»
Sex on the reef likely for Aug. 10 and Sept. 8
When egg and sperm do unite, the newly formed larva, or planula, ascends to the surface to float free in the current. Within a matter of days or ... «Florida Keys Keynoter, Sie 14»
Bio-likeness: Getting the feel of our robotic future
Planula (2011) consists of a vertical and flexible post with a translucent ball mounted on top. An electrostatic capacitance sensor is mounted in ... «Gizmag, Lip 14»
Coral babies staying at home in warmer seas
The planula larvae is then “recruited” by other reefs, where it attaches and begins to grow. Advertisement. Professor Andrew Baird from JCU ... «Brisbane Times, Kwi 14»
