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The " frog " ( which holds the bowhair and adjusts its tension ) is also different from that of modern bows: whereas a violin bow frog has a " slide " ( often made of mother of pearl ), which pinches the hair and holds it flat and stationary across the frog, viol bows have an open frog that allows more movement of the hair.
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frog and which
In the wood frog ( Rana sylvatica ), the interior of the globular egg cluster has been found to be up to 6 ° C ( 11 ° F ) warmer than its surroundings which is an advantage in its cool northern habitat.
The male Colostethus subpunctatus, a tiny frog, protects his egg cluster which is hidden under a stone or log.
) often ingest aquatic plant material with the invertebrates on which they feed and a Brazilian tree frog Xenohyla truncata includes a large quantity of fruit in its diet.
) which gives the frog an opportunity to escape.
Particularly well known species include the frog Oxyglossus pusillus ( Owen ) of the Eocene of India and the toothed frog Indobatrachus, an early lineage of modern frogs, which is now placed in the Australian family Myobatrachidae.
This was the two-fluid theory of electricity, which was to be opposed by Benjamin Franklin's one-fluid theory later in the century. Late 1780s diagram of Galvani's experiment on frog legs.
* The viola's bow has a wider band of horsehair than a violin's bow, which is particularly noticeable near the frog ( or ' heel ' in the UK ).
In his experiment, Loewi electrically stimulated the vagus nerve of a frog heart, which slowed the heart.
This frog has smooth slippery skin which is multicolored on its back with blotches of olive gray or brown.
The first vertebrate ever to be cloned was an African clawed frog, an experiment for which Sir John Gurdon was awarded the Lasker award.
* Everything is turned out except when playing more unusual characters e. g. The Tales of Beatrix Potter ballet's frog for which the legs may be turned in.
There is a single species from the world's dominant frog group, family Ranidae — the Australian Wood Frog — which only occurs in the Queensland rainforests.
There is another dessert dish called double steamed frog ovaries in a coconut ( 椰青燉雪蛤膏 ), which is recommended for women.
He is the inventor of, among other things, a frog exaggerator ( which greatly misrepresents the size of amphibians ), automatic tapping shoes for tap dancing, the sarcasm detector, hamburger earmuffs, the 8-month-after pill, and a drilling machine that can cut through anything.
Galvani's assistant touched an exposed sciatic nerve of the frog with a metal scalpel, which picked up a charge.
He is an anthropomorphic frog king who is the main antagonist and last boss of Nintendo's NES game, Yume Kojo: Doki Doki Panic, which, for Western audiences, was transformed into Super Mario Bros. 2.
frog and holds
For the frog, which holds and adjusts the near end of the horsehair, ebony is most often used, but other materials, often decorative, were used as well ; these included ivory and tortoiseshell.
These stories often featured ghosts and folk creatures such as the kappa — a small creature with a frog ’ s body, a turtle ’ s shell and a bowl-shaped head that holds water.
* Bow ( music ) frog, the block which holds the hair at the grip end of a bow
* J: The frog is a sliding iron wedge that holds the plane iron at the proper angle.
frog and adjusts
Turning the screw on a modern violin bow causes the frog ( heel ) to move, which adjusts the tension on the hair.
frog and its
The tungara frog ( Physalaemus pustulosus ) builds a floating nest from foam to protect its eggs.
toads actively search for prey, while the Argentine horned frog ( Ceratophrys ornata ) lures inquisitive prey closer by raising its hind feet over its back and vibrating its yellow toes.
The frog Allobates zaparo is not poisonous but mimics the appearance of other toxic species in its locality, a strategy that may deceive predators.
Cane toads have been confused with the giant burrowing frog ( Heleioporus australiacus ), because both are large and warty in appearance ; however, the latter can be readily distinguished from the former by its vertical pupils and its silver-grey ( as opposed to gold ) iris.
It still retains the common name of kamprag in the Visayan languages, a corruption of ' American frog ', referring to its origins.
The energy flow continues on its path if the frog is ingested by predators, parasites, or as a decaying carcass in soil.
Like cartilaginous fishes, the coelacanth can store urea in its blood, as can the only known amphibians that can live for long periods of time in salt water ( the toad Bufo marinus and the frog Rana cancrivora ).
The California red-legged frog may aestivate to conserve energy when its food and water supply is low.
Australian Aborigines discovered a means to take advantage of this by digging up one of these frogs and gently squeezing it, causing the frog to release some of the fresh water it stores for itself in its bladder and skin pockets.
It was famous for its home-cooked meals and smorgasbord buffet of chicken and dumplings, mashed potatoes, and frog legs.
Frog Level was so named by the local community because of its low-lying location along Richland Creek, the " frog level " when the area flooded.
The energy flow continues on its path if the frog is ingested by predators, parasites, or as a decaying carcass in soil.
With the motif of a frog or its abstraction, and sometimes with geometrical motifs.
In many birds, the esophagus is largely a mere gravity chute, and in such events as a seagull swallowing a fish or a stork swallowing a frog, swallowing consists largely of the bird lifting its head with its beak pointing up and guiding the prey with tongue and jaws so that the prey slides inside and down.
frog and is
The smallest vertebrate in the world is the New Guinea frog, Paedophryne amauensis.
Although the fossils of several older proto-frogs with primitive characteristics are known, the oldest " true frog " is Prosalirus bitis, from the Early Jurassic Kayenta Formation of Arizona.
In aquatic salamanders and in frog tadpoles, the tail has dorsal and ventral fins and is moved from side to side as a means of propulsion.
An exception is the granular poison frog ( Oophaga granulifera ) where the male and female place their cloacae in close proximity while facing in opposite directions and then release eggs and sperm simultaneously.
Young of the Cuban tree frog ( Osteopilus septentrionalis ) can occasionally be cannibalistic, the younger tadpoles attacking a larger, more developed tadpole when it is undergoing metamorphosis.
The granular poison frog ( Oophaga granulifera ) is typical of a number of tree frogs in the poison dart frog family Dendrobatidae.
When a frog is attacked, a distress or fright call is emitted, often resembling a scream.
The usually nocturnal Cuban tree frog ( Osteopilus septentrionalis ) produces a rain call when there is rainfall during daylight hours.
Although in many frog species, females are larger than males, this is not the case in most species where males are actively involved in territorial defence.
The western terrestrial garter snake ( Thamnophis elegans ) in California is largely aquatic and depends heavily on two species of frog that are diminishing in numbers, the Yosemite toad ( Bufo canorus ) and the mountain yellow-legged frog ( Rana muscosa ), putting the snake's future at risk.
However, the fossil record for frog families and genera is uneven.
In comparison with the French bow, the German bow has a taller frog, and it is held with the palm angled upwards, as is done for the upright members of the viol family.
The index finger is also used to apply an upward torque to the frog when tilting the bow.
The frog of the double bass bow is usually made out of ebony, although snakewood and buffalo horn are used by some luthiers.
A live frog is Magnetic levitation | magnetically levitated, an experiment that earned Andre Geim from the University of Nijmegen and Sir Michael Berry ( physicist ) | Michael Berry from University of Bristol the 2000 Ig Nobel Prize in physics.
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