Shark tooth

Fossil shark teeth (Cretaceous) from southern Palestine.

A C. megalodon tooth excavated from Lee Creek Mine, Aurora, North Carolina, United States.

Megalodon lower jaw with 4 tooth rows and 4 tooth series labeled.

A shark tooth is one of the numerous teeth of a shark. A shark tooth contains resistant calcium phosphate materials. Sharks continually shed their teeth; some Carcharhiniformes shed approximately 35,000 teeth in a lifetime, as well as replace them by producing thousands of more. There are four basic types of shark teeth: dense flattened, needle-like, pointed lower with triangular upper, and non-functional. The type of tooth that a shark has depends on its diet and feeding habits.

单词	glossopetra
释义	glossopetra 英汉-汉英词典舌形石词组 \| 习惯用语您要查找的是不是： glossolalia n. 语意不清 sculptural adj. 雕刻的；雕刻般的网络短语: glossopetra 舌形石英语百科 Shark tooth A shark tooth is one of the numerous teeth of a shark. A shark tooth contains resistant calcium phosphate materials. Sharks continually shed their teeth; some Carcharhiniformes shed approximately 35,000 teeth in a lifetime, as well as replace them by producing thousands of more. There are four basic types of shark teeth: dense flattened, needle-like, pointed lower with triangular upper, and non-functional. The type of tooth that a shark has depends on its diet and feeding habits.
随便看	Morphologic diagnosis deferred的意思 morphologic expression的意思 morphologic face index的意思 morphologic face indices的意思 morphologic feature的意思 morphologic geotectonies的意思 morphologic grading of senile phacoscotasmus的意思 morphologic indexes in growth and development的意思 morphologic model的意思 morphologic observation的意思 morphologic province的意思 morphologic reconstruction的意思 morphologic region的意思 morphologic sandhi的意思 morphologic species的意思 morphologic stability的意思 morphologic synthesis的意思 morphologic transforming region的意思 morphologic unit的意思 morphologie的意思 morphology的意思 morphologische obergesichtshohe的意思 morphologist的意思 morphologist的意思 morphologization的意思

glossopetra

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网络短语:

Shark tooth