Slot Region Definition
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A slot limit is a useful fisheries management tool that restricts anglers from keeping too many fish that are prime adult spawning stock. Regulations change zone by zone, but typically anglers are allowed to keep four walleye, only one of which can be longer than 18 inches. As a member, you'll also get unlimited access to over 83,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed. The Nintendo DS, or simply DS, is a line of handheld game console produced by Nintendo.The device released globally across 2004 and 2005. The DS, an initialism for 'Developers' System' or 'Dual Screen', introduced distinctive new features to handheld gaming: two LCD screens working in tandem (the bottom one being a touchscreen), a built-in microphone and support for wireless connectivity.
Join Britannica's Publishing Partner Program and our community of experts to gain a global audience for your work!Sloth, (suborder Phyllophaga), tree-dwelling mammal noted for its slowness of movement. All five living species are limited to the lowland tropical forests of South and Central America, where they can be found high in the forest canopy sunning, resting, or feeding on leaves. Although two-toed sloths (family Megalonychidae) are capable of climbing and positioning themselves vertically, they spend almost all of their time hanging horizontally, using their large hooklike extremities to move along branches and vines. Three-toed sloths (family Bradypodidae) move in the same way but often sit in the forks of trees rather than hanging from branches.
What kind of animal is a sloth?
Sloths are mammals. They are part of the order Pilosa, which is also home to anteaters. Together with armadillos, sloths and anteaters form the magnorder Xenarthra.
How many types of sloths are there?
A total of five species of sloths exist: the pygmy three-toed sloth, the maned sloth, the pale-throated three-toed sloth, the brown-throated three-toed sloth, and Linnaeus's two-toed sloth. All sloths are either two-toed or three-toed.
Where do sloths live?
Sloths live in the lowland tropical areas of South and Central America. They spend most of their life in the forest canopy. Two-toed sloths tend to hang horizontally from branches, while three-toed sloths often sit in the forks of trees.
What do sloths eat?
Sloths are omnivores. Because they spend most of their time in trees, they like to munch on leaves, twigs, flowers, and other foliage, though some species may eat insects and other small animals.
Why are sloths so slow?
Sloths are slow because of their diet and metabolic rate. They eat a low-calorie diet consisting exclusively of plants, and they metabolize at a rate that is only 40–45 percent of what is expected for mammals of their weight. Sloths must move slowly to conserve energy.
Sloths have long legs, stumpy tails, and rounded heads with inconspicuous ears. Although they possess colour vision, sloths’ eyesight and hearing are not very acute; orientation is mainly by touch. The limbs are adapted for suspending the body rather than supporting it. As a result, sloths are completely helpless on the ground unless there is something to grasp. Even then, they are able only to drag themselves along with their claws. They are surprisingly good swimmers. Generally nocturnal, sloths are solitary and are aggressive toward others of the same sex.
Sloths have large multichambered stomachs and an ability to tolerate strong chemicals from the foliage they eat. The leafy food is digested slowly; a fermenting meal may take up to a week to process. The stomach is constantly filled, its contents making up about 30 percent of the sloth’s weight. Sloths descend to the ground at approximately six-day intervals to urinate and defecate (see Sidebar: A moving habitat). Physiologically, sloths are heterothermic—that is, they have imperfect control over their body temperature. Normally ranging between 25 and 35 °C (77 and 95 °F), body temperature may drop to as low as 20 °C (68 °F). At this temperature the animals become torpid. Although heterothermicity makes sloths very sensitive to temperature change, they have thick skin and are able to withstand severe injuries.
All sloths were formerly classified in the same family (Bradypodidae), but two-toed sloths have been found to be so different from three-toed sloths that they are now classified in a separate family (Megalonychidae).
Three-toed sloths
The three-toed sloth (family Bradypodidae) is also called the ai in Latin America because of the high-pitched cry it produces when agitated. All four species belong to the same genus, Bradypus, and the coloration of their short facial hair bestows them with a perpetually smiling expression. The brown-throated three-toed sloth (B. variegatus) occurs in Central and South America from Honduras to northern Argentina; the pale-throated three-toed sloth (B. tridactylus) is found in northern South America; the maned sloth (B. torquatus) is restricted to the small Atlantic forest of southeastern Brazil; and the pygmy three-toed sloth (B. pygmaeus) inhabits the Isla Escudo de Veraguas, a small Caribbean island off the northwestern coast of Panama.
Although most mammals have seven neck vertebrae, three-toed sloths have eight or nine, which permits them to turn their heads through a 270° arc. The teeth are simple pegs, and the upper front pair are smaller than the others; incisor and true canine teeth are lacking. Adults weigh only about 4 kg (8.8 pounds), and the young weigh less than 1 kg (2.2 pounds), possibly as little as 150–250 grams (about 5–9 ounces) at birth. (The birth weight of B. torquatus, for example, is only 300 grams [about 11 ounces].) The head and body length of three-toed sloths averages 58 cm (23 inches), and the tail is short, round, and movable. The forelimbs are 50 percent longer than the hind limbs; all four feet have three long, curved sharp claws. Sloths’ coloration makes them difficult to spot, even though they are very common in some areas. The outer layer of shaggy long hair is pale brown to gray and covers a short, dense coat of black-and-white underfur. The outer hairs have many cracks, perhaps caused by the algae living there. The algae give the animals a greenish tinge, especially during the rainy season. Sexes look alike in the maned sloth, but in the other species males have a large patch (speculum) in the middle of the back that lacks overhair, thus revealing the black dorsal stripe and bordering white underfur, which is sometimes stained yellow to orange. The maned sloth gets its name from the long black hair on the back of its head and neck.
Three-toed sloths, although mainly nocturnal, may be active day or night but spend only about 10 percent of their time moving at all. They sleep either perched in the fork of a tree or hanging from a branch, with all four feet bunched together and the head tucked in on the chest. In this posture the sloth resembles a clump of dead leaves, so inconspicuous that it was once thought these animals ate only the leaves of cecropia trees because in other trees it went undetected. Research has since shown that they eat the foliage of a wide variety of other trees and vines. Locating food by touch and smell, the sloth feeds by hooking a branch with its claws and pulling it to its mouth. Sloths’ slow movements and mainly nocturnal habits generally do not attract the attention of predators such as jaguars and harpy eagles. Normally, three-toed sloths are silent and docile, but if disturbed they can strike out furiously with the sharp foreclaws.
Reproduction is seasonal in the brown- and pale-throated species; the maned sloth may breed throughout the year. Reproduction in pygmy three-toed sloths, however, has not yet been observed. A single young is born after less than six months’ gestation. Newborn sloths cling to the mother’s abdomen and remain with the mother until at least five months of age. Three-toed sloths are so difficult to maintain in captivity that little is known about their breeding behaviour and other aspects of their life history.
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Region Codes are pieces of data that are embedded into Blu-Ray and DVD Discs to act as a restriction. This data, or region code, is read by the player and if it doesn’t recognize the region code as compatible or local, the disc will not play. Since region codes are specific to certain geographical locations, a disc can typically only be read and played by a Blu-Ray or DVD Player that was manufactured and/or intended for use in that same specific region.
In other words, if a disc is inserted into a player that originated from another region, it will not play because the region code does not match that of the player. Usually this doesn’t pose a problem to the average user, but it may for someone who has purchased discs from a foreign website or while visiting another country. For example, if you live in the UK and purchased a few DVD discs while on vacation in the United States, those discs are not going to be playable in your DVD Player back in the UK – since the discs have been embedded with a region code for the US, they are only able to play on a North American DVD System. It’s the same situation for nearly all areas of the world; playback depends on the region code which the disc was embedded with and the region where the player was manufactured.
There are a handful of different reasons as to why region codes are used to restrict the playback of discs. The first and foremost reason is the fact that new films nearly always have different release dates (sometimes months apart) for different areas of the world. Movie production companies and movie studios (as well as the general box office) utilize region coding in an attempt to prevent losses that could be incurred if certain areas of the world had premature access to unreleased films. For example, when a film has been in North American theaters for quite some time and is ready to be released to Blu-ray or DVD, it may have not yet even had its official UK theater release. This means that people from the UK could easily order a copy of the DVD from the US prior to the UK theater release date, which in turn, would negatively affect UK box office sales. Region coding helps deter this practice, thereby allowing vested parties to reap maximum profits. This also applies to differences in currency value, preventing people from paying much less for movies by ordering them from a country where the monetary exchange rate is very high.
Aside from profitability, there are other reasons for the use of region codes. Governments and Religious Groups in other regions of the world often have strict authority over what type of content is acceptable for viewing. In these areas, region coding is effectively leveraged to censor content that is considered to be unethical, improper, or undesirable.
The region coding system for Blu-Ray Discs varies from that of DVDs. This is explained below to provide you with an accurate understanding.
Blu-Ray Region Codes
In total, there are 3 separate Blu-Ray region codes. These codes are classified alphabetically as Region A, Region B, and Region C. Blu-ray discs that have been manufactured in region A are embedded with region code A, and are therefore only usable with players from region A. The same is applicable for regions B and C. Below is a map showing how Blu-ray region codes are separated and administered by geographic location.
Guide map of Blu-ray region codes. This map shows the different Blu-ray codes and which areas they are utilized in. Click the map to view in full-size
Region A: This region covers all of North America, South America and South East Asia.
Region B: This encompasses Europe, Africa, Middle East, French territories and Greenland.
Region C: Region which covers the rest of the world including Russia, Asia, and China.
DVD Region Codes
There are 6 individual region codes with which DVDs are embedded. These 6 region codes function in the same way as Blu-ray region codes. A DVD disc from region 1 would be encoded as region code 1 and is therefore only operable in a DVD player that originated from region 1. The same is true for region 2, region 3, and so on and so forth, all the way to region 6. The map below shows how DVD region codes are separated and administered by geographic location.
Region 1: USA & Canada, Bermuda, and US Territories
Region 2: Europe (with the exceptions of Russia, Ukraine, Belarus), Japan, South Africa, Swaziland, Middle East, Egypt, Lesotho, and Greenland
Region 3: Southeastern Asia
Definition Slot Machine
Region 4: Latin America and Australia
Region 5: Russia, Asia (non-southeast), and Africa
Region 6: China
4k Region Codes
As of right now, 4k movies titles are not region coded. With a 4k Blu-ray Player, you shold be able to play a 4k Blu-ray disc from anywhere in the world. With that being said, it’s important to understand that standard Blu-ray and DVD discs retain their region-coding on 4k Blu-ray Players, so you will not be able to play foreign Blu-ray or DVD discs on a 4k Player unless it’s a region-free model.
Additional Region Code Information
As a side note, there are technically 3 other region codes aside from regions 1-6. These are region 0, region 7 and region 8.
Region 0 means that no type of region code has been embedded, or that the disc has been embedded for regions 1 through 6. This type is generally referred to as being a “region free” disc.
Region 7 is reserved mainly for future use. As of now, region 7 is only used by MPAA (Motion Picture Association of America) and in Asia for copies intended only for use by the media.
Region 8 is employed only for international use and therefore only utilized for discs used by airline or cruise ship industries.
Slot Region Definition Biology
In general, the consumer only needs to be concerned with discs from region 1-6 as they are the only type to be sold commercially.
Slot Region Definition Ap
Learn More About Region Codes
For more information on Blu-ray and DVD region codes, purchasing a region-free Blu-ray DVD player, how region codes apply to you, and exactly what you need to have in order to watch discs from other regions, please check out our Region-Free Buying Guide.