Human Mate Selection

Biology
Tutor: None Selected Time limit: 1 Day

 Develop a hypothesis for why human males have evolved beards and provide evidence as to why this trait may be advantageous and may increase fitness. 

Oct 8th, 2014

Hair growth on face increase blood supply to the upper part of the body

beard can save you from various diseases like upper respiratory tract infection and it will act as filter for your respiration, evolution of beard too much long, too much short and medium range evolution in centuries majority of the people from different culture, religions and due to medical benefits or their style selection they select keeping beard, it suits males physique specially when you are above age of 25 years age ad onwards and it is advantageous for human look, human health and your face beauty, and a healthy blood circulation of body, including upper part of body.


Oct 8th, 2014

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