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The queen is the reproductive member of the colony. Some ant species will only have one queen, while others will form polygynous colonies of multiple queens, such as Argentine ants Linepithema humile. [2] The workers are responsible for supporting the queen, maintenance, and foraging. Unlike queens and drones, workers are born wingless.
The driving selection pressure that causes ant species to form colonies through pleometrosis appears to be inter-colony competition in areas with high colony density. When a queen enters an area in which she wants to form a colony, there may be a finite amount of resources to fuel the colony thus necessitating intense competition and territoriality for resources between ant colonies. [2]
The relationship has thus been described as mutual—"cooperation will be a cornerstone for partnership between Canada and First Nations, wherein Canada is the short-form reference to Her Majesty the Queen in Right of Canada" [11] —and "special", [13] having a strong sense of "kinship" and possessing familial aspects. [14]
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Ant colonies have a complex social structure. Ants’ jobs are determined and can be changed by age. As ants grow older their jobs move them farther from the queen, or center of the colony. Younger ants work within the nest protecting the queen and young. Sometimes, a queen is not present and is replaced by egg-laying workers.
Jamaican school children greet Queen Elizabeth II at the National Heroes Monument in Kingston, Jamaica, on Feb. 14, 1983, during the second day of the queen’s visit to the former British colony ...
The reasons that can lead ant colonies to clash are varied and depend on the species, locations, and contexts. For a number of them, such as leafcutter ants Atta laevigata, wood ants of the genus Formica, certain species of the genus Carebara, or giant ants Dinomyrmex gigas, it is a matter of territory covered and thus the available food for the different colonies.
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