Essay

Questions 10-19 Social parasitism involves one species relying on another(prenominal) to raise its young. Among vertebrates, the better know social parasites are such birds as cuckoos and cowbirds; the female person lays an egg in a draw near belong to another species and leaves it for the host to rear. ???????????????????????????????????????????????????????????? ????????????????????? ???????????????????????????????????????????????????????????? ??????? ???? ????????? ??? ??... ???????????????????????????????????????????????????????????? ????????? The dulotic species of ants, however, are the supreme social parasites. Consider, for example, the out-of-the-way way of ants belonging to the genus Polyergus. All species of this ant have anomic the talent to care for themselves. The workers do not forage for nourishment, draw their worry or queen, or even dean their witness nest. To catch up with for these deficits, Polyergus has become specialized at obtai ning workers from the related genus genus genus Formica to do these chores.

???????????????????????????????????????????????????????????? ??????????????????????????? Polyergus ???????????????????????????????????????????????????????????? ??? ???????????????????????????????????????????????????????????? ????????????????????????????????????????????? Polyergus ????????????????????????????????????????????? Formica ????????? In a raid, several thousand Polyergus workers depart travel up to 500 feet in search of a Formica nest, cross it, drive off the queen and score workers, capture the portentous brood, and transport it back to their nest. The captured brood is because reared b y the house physician Formica workers until! the developing pupae release to add to the Formica population, which maintains the mixed-species nest The Formica workers forage for food and give it to colony members of both(prenominal) species. They also remove wastes and excavate in the altogether chambers as the population increases. ????? Polyergus ??????????????????????500 ??????????????????? Formica...If you deprivation to get a full essay, order it on our website: OrderEssay.net

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