Animals Birds Crow In addition, the Knower Death Signal.

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When an ant death, the friends of the nest with it could soon find out.Therefore, the risk of attacks on the colony of ants can be slightly reduced. But how ants can know that his friend was going to die?
It is a scientific theory that explains this. Ants die releases chemicals produced by the decomposition of fatty acids such as notifying a sign of death in other ant colonies.
But this theory later refuted by the latest research results, Dong-Hwan Choe.
"Ants can know his friend will die because of the different mechanisms are hidden behind necrophoresis which one to get rid of ants in a colony in the same nest," Choe said as quoted from Live Science, Thursday, May 7, 2009.
Death or dead substance. While the ants living in addition to having substance, also has other chemicals associated with life or it is called 'living substance'.
When an ant dies, the substance of their lives will be reduced or even disappear altogether, so that was left was dead substance.
"So this is because the ants are dead no longer smell the same issue with the ants that live, not because they issued a new substance at the time after they die"
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