搜尋:blood 在 古生物 分類當中

符合的藏品

哺乳動物牙齒的基本構造

哺乳動物牙齒的基本構造

filled with nerves and blood vessels. The enamel is a very hard structure that forms the outer crown.....more

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哺乳動物化石異型齒

哺乳動物化石異型齒

by the possession of mammary glands, hair, placenta and red blood cells with no nucleus. When an animal dies.....more

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