Skip to main content

Ants Know Friend or Foe by Scent

If you are human, knowing one's enemies is easy. The brain evaluates another person as to whether he/she is friendly or not. It may be necessary to work alongside an enemy but the enemy tag still remains. Insects do not have have such advanced brain power to discriminate friend or foe.

Ants need a frame of reference to identify who they have to attack. When an ant from a colony meets an ant from another and they fight, the ants keep a memory of the enemies' odor. This occurs even though they may be of the same species. The "smell of fear" is passed on to fellow ants in the same colony. Ants also use scent to know other ants in their colony.

In tests individual ants were familiarized with individuals from another colony. They could see each other. Actual contact was prevented. When 20 intruders were placed near to the other colony they were attacked despite attackers knowing the other ants.
. . . . . . . . . . . . . . . . . .
Entomology
Labels:

Popular posts from this blog

Happy Cow

"Yes, I am content." ✿ Funny Animal Photos contented cow field Adventure Australia Funny Weird Things Articles News Reviews ● ⌘   Vista Computer Solutions Blog   ⌘ ✤ . . . . . . . . . . . . . . . . . . . . . . . .   . . . . . . . . . . cow content happy good life free field paddock green grass milk dairy COW NOT LEAVING HOME
Read more

Anthropology Has New Theory on Australian Aboriginals

New theory on Australian Aboriginals - Anthropology. Australian Aboriginals split from Eurasians and moved south into the dry continent. Twenty thousand years later the world warmed up and Australia was cut off from its northern neighbors. This is the latest theory.  But when Europeans initially came to Queensland there were two types of native people. Each was a distinct genetic pool. One was like Papua New Guineans. The other was very slight and shorter. It is the latter that predominates today. Papua New Guineans Australian Aboriginals Some scientists still hold that there was only one move out of Africa. This is an unsustainable supposition. The doors for movement were always open. Australian Aboriginals were quite unique. It seems that they were the first to leave Africa. There is also the question of Tasmanian Aboriginals who were wiped out by arriving Europeans. There is no evidence of them now. They could not light fires. The flames had to be stolen f
Read more

Beatboxing - Percussion Sounds of the Mouth

There must be a dearth of things to study. Scientists are now researching the odd sounds that people make. It may seem weird but its true. Those who can make odd sounds are called beatboxers. Scientists are interested in percussion sounds. These are expressed in Celtic, Chinese, North American and Indian cultures. Hip-hop is an area of great interest. A young "practitioner" had MRI scans done on his mouth while he created percussion sounds. The conclusion reached is that a lot of brainpower is involved in imitating percussion. It "is a small part of the larger puzzle," experts say. In my view it takes little mental concentration. Just put your tongue behind you top teeth a "tap" away. http://www.adventure--australia.blogspot.com/ http://www.tysaustralia.blogspot.com/ http://adventure--australia.blogspot.com/atom.xml http://www.technorati.com/blogs/ . . . . . . . . . . . . . . . . . . . . Society Vista C
Read more