A Diphyodont is an animal with two successive sets of teeth, initially the "deciduous" set and consecutively the "permanent" set. Most mammals are diphyodonts as to chew their food they need a strong, durable and complete set of teeth.
例句与用法
1.
In regard to animals , diphyodont evolved into reptilia , which evolved into mammals 动物是由两栖进化为爬虫，再进化为哺乳类。
您当前位置：