boa


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boa

(bō`ə), name for live-bearing constrictor snakessnake,
common name for an elongated, limbless reptile of the order Squamata, which also includes the xlizards. Most snakes live on the ground, but some are burrowers, arboreal, or aquatic; one group is exclusively marine. In temperate climates they hibernate.
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 of the family Boidae, found mostly in the Americas. This family, which also comprises the egg-laying pythonspython
, name for nonvenomous constrictor snakes of the boa family, found in the tropical regions of Africa, Asia, Australia, and the S Pacific islands. Pythons climb and swim expertly. They kill the birds and mammals on which they feed by squeezing them in their coils.
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 of the Old World, includes the largest of all snakes, as well as many smaller ones. Members of the boa family have two functional lungs instead of one, as is found in other snakes, and vestiges of hind limbs; these primitive characteristics are indicative of their relationship to lizards. Each of the two tiny, internal leg bones ends in an external horny claw; the claws are much more prominent in males than in females. Boas capture their prey by striking with their teeth and simultaneously throwing their bodies in a coil around the victim. They then squeeze the animal so hard that they can stop the flow of blood to the prey's vital organs and prevent breathing, leading to unconsciousness and suffocation. Like other snakes, boas swallow the prey whole.

Over 30 boa species are found from Mexico to South America, with the greatest variey in the tropics, and two in the United States. Boas may be terrestrial, arboreal, or burrowing. Some are brightly colored, like the green and white emerald tree boa of the tropics (Boa canina), or iridescent, like the wide-ranging rainbow boa (Epicrates cenchris). Best known is the boa constrictor (Constrictor constrictor), which lives in a variety of terrestrial habitats from S Mexico to central Argentina. It averages 6 to 9 ft (1.8–2.7 m) in length, occasionally reaching 14 ft (4.3 m), and has dark brown diamond markings on a lighter background. The South American anaconda (Eunectes murinus) is a semiaquatic boa that inhabits swamps and river shallows, catching animals that come to drink. The longest member of the boa family and the thickest of all snakes, it may reach 25 ft (7.9 m) in length and 3 ft (90 cm) in girth. The rubber boa (Charina bottae) is found in moist regions of the far W United States and extreme SW Canada. It is a burrower, about 18 in. (46 cm) long, with a narrow, blunt head, broad, blunt tail, and silver-green skin. It feeds chiefly on lizards and rodents. The rosy boa (Lichanura roseofusca) is found in chaparral in the SW United States and N Mexico; it grows about 3 ft (90 cm) long. It has large, dark brown spots on a lighter background. Several species of sand boa (Eryx) are distributed from India and central Asia to N Africa and SE Europe; all are burrowers in sand. There are also several boa species on Madagascar and several on Pacific islands.

Boas are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Reptilia, order Squamata, family Boidae.

Boa

 

the common boa constrictor (Constrictor constrictor), a snake of the constrictor family. The boa measures up to four m long. The color of its scales is very beautiful and variable, with a metallic sheen. The boa is distributed in tropical America, where it lives in forests, on the ground, and in trees. It feeds on small birds and animals, hunting them mostly at night. Like all constrictors, the boa crushes its prey with loops of its body. The skin of the boa is highly prized for its beautiful pattern. (It goes into the manufacture of handbags, briefcases, and other goods.)

boa

[′bō·ə]
(vertebrate zoology)
Any large, nonvenomous snake of the family Boidae in the order Squamata.

boa

any large nonvenomous snake of the family Boidae, most of which occur in Central and South America and the Caribbean. They have vestigial hind limbs and kill their prey by constriction

BOA

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boa

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[IBM] Any one of the fat cables that lurk under the floor in a dinosaur pen. Possibly so called because they display a ferocious life of their own when you try to lay them straight and flat after they have been coiled for some time. It is rumored within IBM that channel cables for the 370 are limited to 200 feet because beyond that length the boas get dangerous --- and it is worth noting that one of the major cable makers uses the trademark "Anaconda".
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With the aim of improving service and conversions for affiliates and the SpotOption white labels, BOA Elite is continuously investing in superior technology, leading marketing tools and extensive R&D.
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Both the BOA and WADA are seeking for CAS to make a decision before the end of April 2012.
He added: "The concern is that the BOA are trying to run British sport after the Olympics.
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The office will be "consolidated" into the BOA office on Dickson Street near the University of Arkansas campus, Owen said.
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Since BOAs awarded before January 1, 2004, would be an ongoing agreement, UID requirements can be included in orders issued under the BOA whenever the program/item manager determines it is feasible to do so.
This is the only two-headed boa I've ever seen," says Frank Indiviglio, a Bronx Zoo herpetologist (reptile scientist), and he has studied plenty of snakes.
The BOA said Foster had broken the Team GB guidelines for bodysuits which were agreed with the athletes, the Amateur Swimming Federation of Great Britain and Speedo prior to the Games.
After recognizing the limitations of traditional shoelaces and other closure systems, he crafted a dial-based prototype that became the Boa Closure System.
Completion of the project results in concluding phase one of a larger communications project with BOA.