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the Miacid the Ancestral species of the now very common dog
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this species the Cynodictis had been extinct for almost 8 million years being the succeeding . ancestral species of the now common dog these creatures were carnivores
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The Canis Lupus or most commonly known as the Wolf these creatures are carnivores which makes them Predators because they seek for prey as a source of food,
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and finally the Canis Familiaris or most commonly known as "Man's best friend" the very loving and family friendly dog, dogs are heterotrophic so they are reliant on other sources of food although domesticated dogs eat dog food although still remain carnivores these are the dogs we all know and love.