Each role within the networks is highly specialized as well -- poachers have usually grown up in the bush, and are skilled trackers who can live there for weeks.
Some muscles, such as the coracomandibularis, are specialized as jaw openers, although most of the work of jaw opening is done by gravity.
Similar to living pinnipeds, Enaliarctos had hind limbs that were specialized as flippers, and the vertebral column was specialized for strong flexion and extension.
Some of the parasitic forms are so modified and specialized as adults that they can only be recognized as crustaceans by features of their life histories.
However, two of the most important portrait photographers of the 20th century, August Sander and Diane Arbus, specialized, as Mr. diCorcia did, in people who were not famous.
Before unification East Germany specialized as a supplier of advanced industrial equipment, electronics, ships, and rail rolling stock to the communist bloc countries.
In fact, much of the industry has learned to be as specialized as Kink was from the start, with catch-all pornographic "megasites" making way for smaller, formulaic ones like My Friend's Hot Mom or Chunky Angels.
Extremely specialized as nectar drinkers are certain South African flies; for example, Megistorhynchus longirostris, which has a tongue that is 60 to 70 mm (2.3 to 2.7 inches) long.
In fact, the vertical and horizontal meridians of the retina seem to be specialized as frames of reference; the accuracy with which a human subject can estimate whether a line is vertical or horizontal is very great.
Segments are further specialized as text, image, video, and audio.
A certain level of qualification is required for assessment of the need for health services, and this type of care is specialized, as compared with HMPS services.
