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Topic: Animal locomotion on the surface layer


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In the News (Sun 27 May 12)

  
  Learn more about Animal in the online encyclopedia.   (Site not responding. Last check: 2007-11-05)
Most animals have a body plan that becomes fixed as they mature and, except in animals that metamorphose, is established early in their development from embryos.
Animals are eukaryotes, and diverged from the same group of flagellate protozoa that gave rise to the fungi and choanoflagellates.
The outer layer ( ectoderm) corresponds to the surface of the blastula and the inner layer ( endoderm) is formed by cells that migrate into the interior.
www.onlineencyclopedia.org /a/an/animal.html   (1502 words)

  
 FORAMINIFERA - LoveToKnow Article on FORAMINIFERA   (Site not responding. Last check: 2007-11-05)
The adult microspheric animal gives rise to the arnoebiform brood whichhave a larger primitive test( megalosphere); and megalospheric fOrms appear to reproduce by the A type a series of similar forms before a B brood of gametes is finally borne, to pair and reproduce the microspheric type, which is consequently rare.
In pelagic forms like Globigerino the external layer is almost if not quite identical in structure with the e~tracapsular protoplasm of Radiolaria (q.v.), being differentiated into granular strands traversing a clear jelly, rich in large vacuoles (alveoli), and uniting outside the jelly to form the ba~allayer of the pseudopods; these again are radiolarian in character.
The source of these shells in the latter case is double: (1) shells of bottom-dwellers accumulate on the spot; (2) shells of dead plankton forms sink down in a continuous shower, to form a layer at the bottom of the ocean, during which process the spines are dissolved by the sea-water.
85.1911encyclopedia.org /F/FO/FORAMINIFERA.htm   (4761 words)

  
 Chapter 12 - THE PLANTS
Within 2 to 15 months the trees died,—either eaten by foraging animals and insects or suffocated by the vegetation of the surrounding jungle.
It has no apparent means of locomotion, yet it travels around by straining its own cytoplasm through one window and out the other.
It moves in the water with the agility of an animal, yet it is a plant which manufactures chlorophyll and produces oxygen and food.
www.evolution-facts.org /Ev-V2/2evlch12.htm   (10379 words)

  
 Cell biology glossary
By choosing this term, the authors might have intended to stress that this form of cell death is a natural phenomenon, an active and defined process which plays an important role in the regulation of the cell population in tissues upon physiological and pathological conditions.
This mode of cell death serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth.
Cells seeded on patterned surfaces are only able to attach to the adhesive areas and consequently adopt the shape of the adhesive island.
www.genomicglossaries.com /content/cell_bio.asp   (6649 words)

  
 British 'Firsts'
He also produced a new system of classification of birds, based mainly on the palate and other bony structures, which is the foundation of the modern system.
He proved the existence of the Kennelly-Heaviside layer (now called the E layer) in the atmosphere, and the Appleton layer beyond it, which Appleton measured at about 230 km/145 miles above the Earth's surface (the first distance measurement made by means of radio).
His first surface crossing by dog sledge of the Arctic Ocean 1968-69, from Alaska to Spitsbergen via the North Pole, was the longest sustained sledging journey (6,000 km/3,800 mi) in polar exploration.
www.fatbadgers.co.uk /Britain/firsts.htm   (6866 words)

  
 Information Headquarters: Animal
Art and Posters : Music, Sports, Animals, TV, Comics, Entertainment, Humor, Movies, Actors.
It then invaginates to form a digestive cavity with a single opening.
War - Presidents of the United States - United States Constitution - Universe - Philosophy - Animals
www.informationheadquarters.com /Animals.shtml   (1204 words)

  
 Creation Science FAQ
Fossilized trees and animals are often found in tact and spanning supposedly millions of years of geologic layers.
If indeed the australopithecines were bipedal, there is strong evidence that their locomotion was significantly different from that of humans (consequently most paleoanthropologists agree that if they did in fact walk, it was not in a human manner).
Of all the animals, chimps are most like humans, so we would expect that their DNA would be most like human DNA.
mysite.verizon.net /vzephl0d   (13985 words)

  
 Amazing Science
It deals with forests, plants, animals, animal husbandry including veterinary suggestions, agriculture medicinal-industrial commercial importance and application of flora and fauna, and the uses of plants and animals in biological and chemical warfare, besides weapon making and other military uses.
Though primarily it is treatise on statecraft, it gives detailed descriptions and instructions on geology, agriculture, animal husbandry, metrology etc. Its encyclopedic in its coverage and indicates that all these sciences were quite developed and systematized in India even 2500 years ago.
Excellent pearl gems had to be big, round, without a flat surface, lustrous, white, heavy, and smooth and perforated at the proper place.
www.hinduism.co.za /amazing.htm   (14830 words)

  
 AnthroNotes Spring/Summer 1999
The fossil on the table probably shattered and was dispersed as it eroded out onto the surface where a paleontologist could spot it.
Fossil foot bones from a very old layer --perhaps 2.8-3.1 mya-- at the Sterkfontain cave near Johannesburg, South Africa, were published four years ago.
The researchers found that the appearance of new species and the disappearance of old ones were spread throughout the 1 million year period between 3 and 2 mya in the Turkana basin, which offers the richest and best dated record of animal evolutionary change in Africa during this critical interval.
www.nmnh.si.edu /anthro/outreach/anthnote/Spring00/anthnote.html   (10233 words)

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