Male Competition and Sexual Selection

The ratio between reproductively mature males and females available for mating in a given time is called the 'operational sex ratio'. The operational sex ratio influences the intensity of mating competition. For example, if only a few females are ready to mate while many males are ready, the operational sex ratio is male-biased, and mate competition among the males is strong. Local mate competition among individuals of the same sex can give a rise to sexual selection, in which traits that enhance the attractiveness or competitiveness of the competing mates are favored. This process can result in the evolution of highly conspicuous secondary sexual traits and in sexual dimorphism.

Was this article helpful?

0 0
10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

Get My Free Ebook

Post a comment