The evolutionary step that freed these animals from the water was the development of the amniote egg.
使这些动得以脱离水
活
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.
使这些动得以脱离水
活
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!”
坎帕地笑。“嗨,你最好冷静下来,安东尼——你快变成一个真正喜
结群
活
动
了!”
The results showed that there were most abundant argyrophil cells distributed in duodenum, less in large intestine and least in jejunum and ileum.
作者认为嗜银细胞分布型与动
活环境是相关
。
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