[ES - EN subtitled] - 05 - Alimentación humana. Anatomía comparada. Dientes incisivos y caninos / Human alimentation. Comparative anatomy. Incisors and canines teeth.

Describo información comparando entre especies animales de cómo se han especializado los dientes incisivos y los dientes caninos para llevar a cabo diversas funciones diferentes. Con relación a los caninos hago énfasis en las variaciones de tamaño, forma y lo que se interpreta como adaptación evolutiva. También describo sobre la relación entre los caninos y la selección sexual en primates, y sobre la reducción del tamaño de los dientes caninos en algunas especies humanas y su probable relación con la selección sexual y la dieta.

I describe information comparing among animal species how incisor teeth and canine teeth have become specialized to carry out various different functions. In relation to canines I emphasize variations in size, shape and what is interpreted as evolutionary adaptation. I also describe the relationship between canines and sexual selection in primates, and the reduction of canines teeth size in some human species and its probable relationship to sexual selection and diet.

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