Small spider Argiope bruennichi network has a classic wheel painted as a child. But in a cozy nest, species, has a tradition of horrific sexual.
Males have a pair of organs known pedipals intimate, each of which was used for each moment of time and communication, in other words, limited only twice.
However, since less than men, women could eat anytime sex more than 10 seconds.
This means that men should be very select the most suitable female sperm will be awarded valuable. But what?
To learn more, Claes Welk and Jutta Schneider Zoological Institute in Hamburg, Germany care for a spider from an egg found on the local and grass fed with tasty fruit flies to adulthood.
“Only virgin spiders used in the experiment, according to the newspaper.
The spider then inserted into the test. Males paired with spider spider or relatives who are not linked.
Over time, male sex, which paired with his sister in marriage can be briefly away from cannibalism and live to love another day.
Meanwhile, when the men paired with women without a family, a man laxity becomes greater.
In the end, it ended with the male origin. This means that the spider who is married to the brother and sisters have more opportunities in the health and safety.
“This study provides an answer, that men can develop adaptive sexual investment associated with female harmony,” wrote an article which appears in Biology Letters, published by the Royal Society of Great Britain.Inilah
Song & Music Lyrics // Apr 22, 2010 at 6:49 pm
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