Chris Stanton September 6, 2007 BIONB 221 Section Week 2 W.P. One behavior that has been clearly visible to biologists for many years is the roar of the male lion. Heard for miles around the lion’s territory, the roar is an unmistakable sign of the strength of a male lion. The roar is usually thought to be used to mark a male’s territory, attract females for mating, and drive off other single male lions. There are two possibilities for explaining the roar of a lion on the mechanistic level of analysis. The first, which is cognitive, is that the male leader of the pride thinks that the louder and stronger his roar is the better off he will be in his attempt to mark his territory and ward off any rogue males trying to take over the pride. Another possibility, which is physiological, is that as the male lion ages, his level of testosterone will increase, which will also increase his urge for fighting and mating. The roar is used in
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