符合的藏品

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象齒生長與發育

Development of Elephant Teeth哺乳動物化石象齒生長與發育The elephant's long trunk rising high, lifts up hope around.....more

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物，而前臼齒與臼齒則是用來研磨並切割食物。Mammals Basic Structure哺乳動物化石牙齒基本構造The mammalian tooth is made up of enamel.....more

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for grinding up food. Some mammals (such as pigs and monkeys) have very well developed canines.....more

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and grind up food. As mammals developed and evolved, their dentition developed from the "homodonts.....more

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grown and when the climate change or geological movement dried up the livers and swamps, they lost.....more

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