Tuesday, May 24, 2011

Aggressive males = specie extinction ?

http://www.sciencedaily.com/releases/2011/05/110516081139.htm

From this article I have read at 12:00 midnight (because I love reading about environmental science this late up at night), I learned that aggressive males can lead to the extinction of a species. Seed beetles are known to be sexually sucessful if they are more aggressive, but by being more aggressive during their mating, the female is hurt in the process and dies. Thus, a scarcity of females and non aggressive males. Without any females, the beetles can no longer reproduce with no females thus causing an extinction. I thought this article was interesting because I would have never believed that the aggressive sex could bring so much distruction on its own species. I also think beetles are pests so I thought it was cool learning that a species went expect