Many scholars consider modern anthropology as an outgrowth of the Age of Enlightenment, a period when Europeans attempted to study human behavior systematically, the known varieties of which had been increasing since the fifteenth century as a result of the first European colonization wave.

Many bacteria, however, possess mechanisms ( such as siderophores ) for scavenging iron within environmental niches in the human body, and experimental developments of iron chelators, therefore, aim to reduce iron availability specifically to bacterial pathogens.

Many anti-globalization activists call for forms of global integration that better provide democratic representation, advancement of human rights, fair trade and sustainable development and therefore feel the term " anti-globalization " is misleading.

Many western human rights groups state that civil rights and free expression are severely limited in Belarus, though there are some individuals and groups that refuse to be controlled and some journalists have disappeared.

Many people regard the female human body, of which breasts are an important aspect, to be aesthetically pleasing, as well as erotic.

Many consequentialist theories may seem primarily concerned with human beings and their relationships with other human beings.

Many men, usually the younger brothers in a family would stress out, accept lower status serfdom in form of human lease, but one with the possibility of a stable love life, than the emotional trauma of high status and polyandry.

Many of these areas are inappropriately opened to development, when they cannot sustain human settlements.

Many people metaphorically interpret the Asura as manifestations of the ignoble passions in the human mind and as a symbolic devices.

Many Muslim scholars argue that even though technology may have advanced, the fundamentals of human life have not and is in the scope of current laws.

Many charge that some of the worst human rights violations of the internal conflict were committed under Ríos Montt's rule.

Many have been designed to aid human communication ( for example, naturalistic Interlingua, schematic Esperanto, and the highly logic-compatible artificial language Lojban ).

Many of the largely settled scientific issues, such as the human responsibility for global warming, remain the subject of politically motivated attempts to downplay, dismiss or deny them – a phenomenon widely known as climate change denial.

Many writers note that historical materialism represented a revolution in human thought, and a break from previous ways of understanding the underlying basis of change within various human societies.

Many groups and movements have achieved profound social changes over the course of the 20th century in the name of human rights.

Many birds have become extinct as a result of human activity, especially birds endemic to islands, including many flightless birds ( see a more complete list under extinct birds ).

Many hypnotic drugs are habit-forming and, due to a large number of factors known to disturb the human sleep pattern, a physician may instead recommend alternative sleeping patterns, sleep hygiene, and exercise, before prescribing medication for sleep.

Many existentialists have also regarded traditional systematic or academic philosophy, in both style and content, as too abstract and remote from concrete human experience.

Many modern kayaks have modified the traditional design in various ways, such as: eliminating the cockpit by seating the paddler on top of the boat (" sit-on-top " kayaks ); having inflated air chambers surrounding the boat ; replacing the single hull by twin hulls (" W " kayak ), and replacing paddles with other human powered propulsion methods, such as foot-powered rotational propellers and ' flippers '.

Many people in the early 19th century believed that marriage was an important aspect of life to " fulfill earthly human happiness.

Many natural structures, including human bodies, follow a certain handedness, but it was widely assumed that nature did not distinguish the two possibilities.

Many compression methods focus on the idiosyncrasies of human physiology, taking into account, for instance, that the human eye can see only certain wavelengths of light.

Many bands, such as Mayhem and Gorgoroth, are noted for their controversial shows, which have featured impaled animal heads, mock crucifixions, medieval weaponry and band members doused in animal blood.

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 animal species live in the mountains surrounding the Dead Sea.

Many people blamed animal rights activists who were angered at Deicide's lyrical themes of animal sacrifice.

Many components of the animal cell can be seen recycling and sharing their membranous units.

Many Native cultures feature skin-walkers or a similar concept, wherein a shaman or warrior may, according to cultural tradition, take on an animal form.

Many of the same surgeries performed in humans can be applied to animal cases-everything from an egg-bound tortoise to a German Shepherd can benefit from MIS.

Many wealthy individuals bypassed the hordes of people attempting a consultation by making additional animal sacrifices to please the oracle lest their request go unanswered.

Many animal species use paralysing toxins to capture prey, evade predation, or both.

Many of the most important groundbreaking scientific and biological discoveries of the tropical animal and plant kingdom originated here.

Many animal products, including liver, Muktuk ( whale skin ), oysters, and parts of the central nervous system, including the brain, spinal cord, and adrenal medulla, contain large amounts of vitamin C, and can even be used to treat scurvy.

Many early accounts which apparently refer to this animal describe the males as being sexually aggressive towards human women and towards females of its own species.

Many libraries and museums increasingly use only the safe if confusing term " membrane "; depending on factors such as the method of preparation it may be very hard to determine the animal involved without using a laboratory, and the term avoids the need to distinguish between vellum and parchment.

Many neurons in the rat and mouse hippocampus respond as place cells: that is, they fire bursts of action potentials when the animal passes through a specific part of its environment.

Many other grasses are grown for forage and fodder for animal feed, particularly for sheep and cattle, thereby indirectly providing more human calories.

Many animal scenes were filmed in Tecate, Mexico by a second unit to avoid the American laws on the ethical treatment of animals.

Many of Chile's distinctive animal species have been decimated as they have been pushed farther and farther into the remaining wilderness areas by human occupation of the land.

Many domestic animal species have been introduced, including dogs, horses, goats, sheep, chickens, and cats, with cats long having established a large feral population.

Many of the bands during this time wrote lyrics about straight edge, politics, civil rights, animal rights and spirituality.

Many prisoners at Norman Cross made artefacts such as toys, model ships and dominoes sets from carved wood or animal bone, and straw marquetry.

Many Bible scholars have suggested this story's origin was a remembrance of an era when human sacrifice was abolished in favour of animal sacrifice.

Many traditions of Eastern religions ( Buddhism and Jainism ) embrace the doctrine of ahimsa ( non-violence ) which imposes vegetarianism and outlaws animal as well as human sacrifice.

Many anarcho-punks are supporters of issues such as animal rights, racial equality, anti-homophobia, feminism, environmentalism, worker's autonomy, the anti-war movement, and the anti-globalisation movement.