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Omnivores and Herbivores
註釋"Leaf-eaters and more... Most people have a diverse diet. Eggs, meat, bread, fish--we eat it all. Like many other species, humans are omnivores, or animals that eat a combination of meat and plants. Pigs are omnivores, too, and have such a strong sense of smell that they're able to detect animals that live underground. Other animals, called herbivores, eat only plants. For example, giraffes use their long necks to reach the leaves they munch on all day long. Learn about the role food plays in the animal kingdom and understand why different animals have different feeding habits." -- page 4 of cover.