符合的藏品

共找到 7 筆符合的資料

哺乳動物牙齒的基本構造

animals that can continually replace their teeth, most mammals only have two sets of teeth. The firs.....more

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have a distinct three-pointed structure. Animals in the Insectivora Order still retain the original.....more

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trunk and powerful incisors. These noble animals are, however, gradually being driven to extinction.....more

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grow in an unusual manner. The cheek teeth include premolars and molars. In most animals, the cheek.....more

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the source of their given name, unlike modern bears which are mostly solitary animals, and only dwell.....more

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, structural ratio and teeth morphology suggested that these animals have more elongated beaks.....more

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. On the other hand, after being highly evolved, animals have the difficulties to adapt to climate.....more

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