Meat Eaters:

-Has claws

-No skin pores, perspires through tongues

-Sharp front teeth for tearing, no flat molar teeth for grinding

-Intestinal track 3 times body length so rapidly decaying meat can pass out quickly

-Strong hydrochloric acid in their stomachs to digest meat.
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Herbivores:

-No claws

-Perspires through the skin pores

-No sharp front teeth, but flat rear molars

-Intestinal tract 10-12 times body length

-Stomach acids 20 times less strong than meat-eaters.
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Humans:

-No claws

-Perspires through the skin pores

-No sharp front teeth, but flat rear molars

-Intestinal tract 10-12 times body length

-Stomach acids 20 times less strong than meat-eaters.