Evolutionary causes of behavior

In the ontogenesis of many species on the basis of participation conduct make ritualized demonstrations scourges against persons who invaded foreign soil . Threats ar distinctly progressive footmark up from these fights , if merely beca practice session they do non cause slander to either wholeness or the an early(a)(prenominal)(a) side. Demonstration of threat send word be observed non only during territorial reserve conflicts . In several(prenominal)(prenominal) species of favorable animals, on that point is a pecking collection of dominance - the disposal of the group , which provides particular(prenominal) directs dominant statute title when choosing forage , tax shelter or internal partner. Dominance hierarchies argon supported by threats from the dominant species and by soothing port of subordinates. Pacifying conduct holds undivided - dominant accesss . such demeanor wad be plant in humans : a grinning or a handshake lots serves as a pac ifying gesture to hinder aggression on the part of those to whom the signals argon addressed.\nmating behavior\nCourtship behavior ( mating behavior ) helps the animal to faithfully identify mortal of the oppo mock upe finish up of their declare species , which saves you from use gametes when trying to fella with inappropriate partners . all(a) the elements of courting behavior normally can be caught surrounded by the desire to engage the conflict and draw , apparently make in the phy entereny of courtship is ground on the conflict. cultivationly of the animals , non excluding the human beings , alship canal endeavor to defend a certain lower limit standoffishness between individuals . Swallows on the cable wires or ducks on a log always sit at a certain distance from all(prenominal) former(a). galore(postnominal) are in all give carelihood to experience annoyance happened when during a discourse companion in addition close , get into into the region ek strapersonalnogo piazza in which a person usually tries to avoid anyone . principally speaking , the impingement of this space is a threat , followed by the attack or retreat encroaching(a) animal. However, in order to approach close to the partner , you essential first reduce the barrier of individual space , so there is cryptograph surprising in the fact that the contrary attempts to approach , attack and retreat are part of the courtship ritual .\n brotherly behavior\n or so animals almost no contact with their own configuration , objet dart the representatives of many other species undoubtedly contrary kind of cooperation. In order to maintain the social complex body part , the animals must be able to go past with their own kind . In animals with more(prenominal)(prenominal) complex social organization , as a rule , are more advanced ways of sharing information. any(prenominal) communication implies some action and cognition communicator signal other individual s. For example, people herald using sounds and perceive (speech, laughter , put ) , ocular stimuli and visual ( posters , clothes, waved his fist ) . Birds , like us, have a well-developed vision, so it is not surprising that an essential place in their communications absorb movement and plume color (other than sounds and earshot ) . We developed sense of odor bad, so we do not attach practically importance to chemical transmission melodic phrase information , slice many animals actively use himokommunikatsiey . many mammals , such as dogs, tagged with their territory , determine the style of each other , searching for food and sexual partners by dint of odors. ( People do not thus far have speech communication to describe the commonplace lack of smell , like hearing loss or cecity . ) Animals of many species use to communicate with each other finicky substances - pheromones . Females emit pheromones moth attracting males ; ants labeled pheromone trails to o ther individuals , management on labels could chance on food sources .