Get Ant Encounters: Interaction Networks and Colony Behavior PDF

By Deborah M. Gordon

How do ant colonies get whatever performed, whilst not anyone is liable? An ant colony operates with out a principal keep watch over or hierarchy, and no ant directs one other. as a substitute, ants come to a decision what to do in keeping with the speed, rhythm, and trend of person encounters and interactions--resulting in a dynamic community that coordinates the capabilities of the colony. Ant Encounters presents a revealing and available investigate ant habit from this complicated platforms perspective.

concentrating on the moment-to-moment habit of ant colonies, Deborah Gordon investigates the position of interplay networks in regulating colony habit and relatives between ant colonies. She indicates how ant habit inside and among colonies arises from neighborhood interactions of people, and the way interplay networks improve as a colony grows older and bigger. The extra quickly ants react to their encounters, the extra sensitively the whole colony responds to altering stipulations. Gordon explores even if such reactive networks support a colony to outlive and reproduce, how common choice shapes colony networks, and the way those constructions examine to different analogous complicated structures.

Ant Encounters sheds mild at the organizational habit, ecology, and evolution of those various and ubiquitous social insects.

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29 Later, each forager returns to the place it last found a seed. The ants collect seeds that are scattered around the desert and that one ant can easily bring back by itself, so they do not need to recruit groups to work together to collect large food sources. Many ant species use chemicals to signal alarm. Alarm pheromones are volatile, dispersing quickly in the air. Alarmed ants often run around in circles, sending out more pheromone that gets more ants running around in circles, so there is a spreading wave of alarmed ants.

Alarmed ants often run around in circles, sending out more pheromone that gets more ants running around in circles, so there is a spreading wave of alarmed ants. Alarmed ants are likely to react aggressively to whatever they meet as they dash around. An ant’s body has about 15 glands (depending on the species), each of which secretes a different substance. We do not know the function of most of these chemicals, nor how much they are used in combination. Our ignorance is partly due to Colony Organization the limits of our technology for measuring tiny amounts of chemicals, which make it difficult for us to detect what ants are putting out as the chemical is emitted.

But to speak of a network of interactions in an ant colony (or a brain or an immune system) is not to say that the interactions are patterned in any simple or regular way. It is colonies, not ants, that behave in a predictable way. In a particular ant species, colonies perform a standard sequence of tasks each day. Colonies respond to disturbances in much the same way each time. A colony’s behavior transforms in predictable ways as it grows older and larger. One colony’s relations with its neighbors look much like another’s.

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