Sunday 17 September 2017

evolution - What is the function of epidermal ridges on human fingers (that produce fingerprints)?


What function is served by the epidermal or capillary ridges on human fingers, the supposedly unique impressions of which are known as fingerprints?





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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

The title is the question. If additional specificity is needed I will add clarification here. Are there any multicellular forms of life whic...