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| Kingdom Animalia | ||||||||||||||
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| A dog is an animal scientists have classified as a mammal .Dogs are eukaryotic organisms and multicellular. They must reproduce sexually. They are heterotrophic, meaning that they must obtain energy from the food they eat. Dogs are carnivorous, this means that they eat only meat. They are vertebrates, this means that dogs do have a backbone. The unique thing about mammals is that they have hair. Hair is used to keep the animal warm during cold and sometimes used for camoflauge purposes. | ||||||||||||||
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