Search results
Results from the WOW.Com Content Network
Müller's explanation of the mechanism for this was one of the first uses of mathematics in biology. He argued that a predator, such as a young bird, must attack at least one insect, say a wasp, to learn that the black and yellow colours mean a stinging insect. If bees were differently coloured, the young bird would have to attack one of them also.
The first person to breed for the Hereford color pattern in pigs – and the first to describe it – was R.U. Weber of LaPlata, Missouri. [4]: 611 From about 1902 until 1925 a number of farmers in Nebraska and Iowa, among them John Schulte of Norway, Iowa, collaborated in the selection of pigs with this coloration.
Pigs possess both apocrine and eccrine sweat glands, although the latter are limited to the snout. [6] Pigs, like other "hairless" mammals such as elephants, do not use thermal sweat glands in cooling. [7] Pigs are less able than many other mammals to dissipate heat from wet mucous membranes in the mouth by panting.
A cat with black point coloration. Points are specific areas of an animal coat that are colored differently from the main body colorations. Point coloration may be represented by a pale body color and relatively darker extremities, such as face, ears, feet, tail, and external sex organs, as seen on Siamese cats. [1]
An 1834 painting of a Gloucestershire Old Spot in the Gloucester City Museum & Art Gallery collection. Said to be the largest pig ever bred in Britain. [1]The Gloucestershire Old Spots (also Gloucester, Gloucester Old Spot, Gloucestershire Old Spot [2] or simply Old Spots [3]) is an English breed of pig which is predominantly white with black spots.
Romans sacrificed pigs to their gods and created an elaborate pork-based cuisine, including some dishes — such as roast udder of lactating sow — that could make even a gentile shudder.
The areas with different color may be referred as 'points' or being 'pointed'. [3] Color can spread to the rest of the body, but is concentrated on the extremities. Colorpoint patterns occur due to acromelanism, which is a type of partial albinism where pigmentation is affected by temperature. [ 3 ]
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...