Chemical signaling plays a major role in communications among the members of animal, bird, insect, and even bacterial societies (it has also been speculated that some sort of chemical signaling occurs between humans) and these signals influence various sorts of social behavior (e.g., mating and aggression) in these systems (Pennisi, 1995). Movement, in particular, is often governed by chemicals. For example, the production and emission of cAMP by slime mold amoeba and the attraction of the amoeba to this chemical brings about their aggregation into clusters when there is a scarcity of food, while the mass recruitment of ants to the collective task of food foraging employs the emission of pheromones by those ants carrying food to lead other ants to the food source.
KeywordsChemical Signaling Neighbor Site Simple Random Walker Empty Site Chemical Scent
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