Canines

the difference is that the scavengers eats those which was left by other animals or which may have died from illness or old age they use their canines to tear the flesh but the decomposers are mostly microorganism that doesnt have canines such as saprophites(produces enzymes to digest the food ...

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First off, I disagree, but I think that the writer is assuming that canines are used for piercing and holding prey (or for threatening displays), which would seem to make them useless in humans. But we do use them to pierce and tear foods. Think of eating ...

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... and fairly active predators don't use their arms to catch prey. Felines and primates predominantly use their forelimbs to snare prey. And yet canines, sharks, birds of prey, crocodiles and monitors et al all use either their mouths or --in the case of birds of prey-- their feet. Arms aren't ...

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... you! Bakker has suggested male mounting and suppression as seen (and stereotypically characterized as sexual humping) in domesticated felines and canines. I seem to recall that such a display of dominance is also observed in komodos, but with mating intentions and occurring between male and female. ...

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... to the question of size/life expectancy of a species. I've provided a citation which supports the well know fact. Ask any vet who cares for canines, the correlation is well know/established and not questioned by experts in the field. http://www.caninehealthnutrition.com/differences.html ...

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