Harvester ants
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Topic: Harvester ants
Posted By: Pranoti J-K
Subject: Harvester ants
Date Posted: 07 Oct 2014 at 4:11pm
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<p ="Msonormal"><span style="font-family:"Times New Roman","serif"">Harvester ants as the name suggests, collects and stores the seeds in the nest in communal chambers called granaries. It is said that, they are the saviors for tribal or local people during famine conditions .<o:p></o:p></span><p ="Msonormal"><span style="font-family:"Times New Roman","serif"">  </span> <p ="Msonormal"><span style="font-family:"Times New Roman","serif"">The ants build their nests on a slant and the spiraling channels guide the water away, slowing it down rather than risk eroding the face of the nest. The nest’s architecture functions to divert large amounts of water from the central nest entrance. The nest cone is oriented so that the longest slope faces towards the direction that the entrance is facing.<o:p></o:p></span> <p ="Msonormal"><span style="font-family:"Times New Roman","serif"">The number and abundance of ants near the cone varies depending upon the temperature outside. That is highest in mid-morning virtually absent from the cone during mid-afternoon and returning in smaller numbers at dusk. The nest cone is an adaptation which minimizes the amplitude of daily temperature fluctuation. By moving to appropriate areas of the nest cone, the ants can take advantage of the increased range of temperature.<o:p></o:p></span> |
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Posted By: Umeshhkarwal
Date Posted: 10 Oct 2014 at 2:07pm
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