Many viruses ( HIV being the most extreme example ) seem to exploit the immune system's use of tolerance induction to evade the immune system, though the suppression of specific antigens is done by fewer pathogens ( notably Mycobacterium leprae ).

Many different bacteria now exhibit multidrug resistance, including staphylococci, enterococci, gonococci, streptococci, salmonella, Mycobacterium tuberculosis, and others.

Many mycobacteria, including Mycobacterium tuberculosis

Many species in the iris family have a great economic importance in ornamental horticulture and the cut flower industry, especially Gladiolus, Freesia, Sparaxis, Iris, Tigridia ( tiger lily ), Ixia ( corn lily ), Romulea, Neomarica, Moraea ( butterfly lily ), Nemastylis, Belamcanda, Sisyrinchium ( blue-eyed grass ), Crocosmia and Trimezia.

Many species have an erect woody stem which is covered with persistent dried leaves unless there have been fires, topped by a crown of long thin leaves.

Many species of Aloe are used medicinally and in cosmetics.

Many species of Amaryllidoideae are popular as ornamentals in parks and gardens.

Many individual names are formed by adding the suffix " ine " to the species or genus name.

Many defoliated forest areas were quickly invaded by aggressive pioneer species, such as bamboo and cogon grass, which make it unlikely the forests will be able to regenerate.

Many species undertake long distance annual migrations, and many more perform shorter irregular movements.

Many species are of economic importance, mostly as sources of food acquired through hunting or farming.

Many primate and bear species will adopt a bipedal gait in order to reach food or explore their environment.

Many species of lizards become bipedal during high-speed, sprint locomotion, including the world's fastest lizard, the spiny-tailed iguana ( genus Ctenosaura ).

Many Bacillus species are able to secrete large quantities of enzymes.

Many species of carnivorans are solitary, but a few are gregarious.

Many larger, pelagic species such as the Mackerel Sharks ( Lamnidae ) and the Thresher Sharks ( Alopiidae ) no longer possess them.

Many species of neornithines can build burrows, or nest in tree holes or termite nests, all of which provided shelter from the environmental effects at the K – T boundary.

Many species have large, yellow or white flowers.

Many cnidarian species produce colonies that are single organisms composed of medusa-like or polyp-like zooids, or both.

Many species prey on the cane toad in its native habitat, including the broad-snouted caiman ( Caiman latirostris ), the banded cat-eyed snake ( Leptodeira annulata ), the eel ( family: Anguillidae ), various species of killifish, the rock flagtail ( Kuhlia rupestris ), some species of catfish ( order: Siluriformes ).

Many sources list the domestic dog as Canis familiaris, but others, including the Smithsonian Institution and the American Society of Mammalogists, more precisely list it as a subspecies of C. l. familiaris ; the red wolf, eastern Canadian wolf, and Indian wolf may or may not be separate species ; in the past, the dingo has been variously classified as Canis dingo, Canis familiaris dingo and Canis lupus familiaris dingo.

Many of the predatory species are important controls of agricultural pests.

Many chaparral plant species require some fire cue ( heat, smoke, or charred wood, and chemical changes in the soil following fires ) for germination.

Many animal species practice coprophagia as a matter of course ; other species do not normally consume feces but may do so under unusual conditions.

Many species of cactus have long, sharp spine ( botany ) | spines, like this Opuntia.

Many militias and irregular forces adapt civilian vehicles into AFVs ( armored fighting vehicles ) and troop carriers, and in some regional conflicts these " technicals " are the only combat vehicles present.

Many groups that were popular during the disco period subsequently struggled to maintain their success — even those that tried to adapt to evolving musical tastes.

Many fighters vary their defensive style throughout a bout in order to adapt to the situation of the moment, choosing the position best suited to protect them.

Many attempts were made to adapt the existing systems to have better performance, but the overhead was always considerable and most of these efforts required the user-space programs to be moved back into the kernel.

Many companies and hobbyists adapt Mazda rotary engines ( taken from automobiles ) to aircraft use ; others, including Wankel GmbH itself, manufacture Wankel rotary engines dedicated for the purpose.

Many of the greatest zarzuelas were written in the 1880s and 1890s, but the form continued to adapt to new theatrical stimuli until well into the 20th century.

Many vibes players adapt the " standard " grips by varying degrees to suit their personal physiology and musical expression.

Many emigrants were small, undercapitalized grain farmers who were squeezed out by low prices and inability to increase production or adapt to the more complex challenge of raising livestock.

Many hills on the island contain agricultural terraces, which adapt steep and rocky terrain to agriculture.

This eliminates the need for training left-handed operators to adapt to a right-handed weapon. Many right-handed persons shoot rifles left-handed because they have left dominant eye.

Many traditional ( non-Suzuki trained ) music teachers also use the Suzuki repertoire, often to supplement their curriculum, and they adapt the music to their own philosophies of teaching.

Many personal firewalls are able to control network traffic by prompting the user each time an application attempts a connection and will adapt the security policy accordingly.

Many social animals adapt preening and grooming behaviors for other social purposes such as bonding and social structure enforcement.

Many Rona Home & Garden locations in that province thus have local ownership, a tradition of the family hardware store, and a great deal of flexibility to adapt to the market at store level.

Many Koreans migrated to California and Hawaii, and brought back firsthand accounts of modern business and governmental practices that they sought to adapt to Korean conditions.

* Many people ( especially women and often with children ) who flee from domestic violence often must quickly adapt to massive life changes.

Many traditional practices have also had to adapt to the changing circumstance of the modern world, including climatic conditions effecting the availability of grasses.

Many episodes from this season focused on Billy having to adapt to living in America, and his attempts to romance Ms. Meara.

Many sufferers adapt by continually forcing their world into barely-applicable schemata, often to the point of incoherence and self-contradiction.

Many larger predatory fish, for instance eels and pufferfish, will adapt very well to a reef tank and will be problem-free as long as they have sizable tankmates and no crustaceans.

Many years later, a group of performing arts students traveled from Beijing to perform in the city where Song Dan Ping had performed, eager to adapt his exploits and to improvise on his legendary performances.

Many academic references and documented existing examples of this particular weapon are associated with the sōhei or yamabushi ( warrior monks ), who also adapt other agricultural tools as weapons although samurai are also pictured as using ono in wood block prints.

Many research groups have tried to adapt superconducting magnets to this purpose, with varying success.

Many animals are aware of fire and adapt their behavior accordingly.