APP Definition:A body fossil is what was actual organic material from a creature or plant(like abone).实体化石shí tǐ huà shí泛指由生物遗体本身保存下来而形成的化石,大多是生物的硬体部分,原有物质成分一般已被替换或填充。Example:Apart from the spectacular t......（本文共 291 字） [阅读本文] >>
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Definition:A body fossil is what was actual organic material from a creature or plant(like abone).实体化石shí tǐ huà shí泛指由生物遗体本身保存下来而形成的化石,大多是生物的硬体部分,原有物质成分一般已被替换或填充。Example:Apart from the spectacular t......（本文共 291 字） [阅读本文] >>
