The evolutionary step that freed these animals from the water was the development of the amniote egg.
使这些动物得以脱离水进化步骤是羊膜卵得改进。
The evolutionary step that freed these animals from the water was the development of the amniote egg.
使这些动物得以脱离水进化步骤是羊膜卵得改进。
Campana chuckled. “Hey, you'd better cool down, Anthony --- you're getting to be a real party animal!”
坎帕纳吃吃地笑。“嗨,你最好冷静下来,安东尼——你快变成一个真正喜结群
动物了!”
The results showed that there were most abundant argyrophil cells distributed in duodenum, less in large intestine and least in jejunum and ileum.
作者认为嗜银细胞布型与动物
环境是相关
。
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