agnath fish
无颌鱼
the agnath
这种无颌鱼
agnath species
无颌鱼物种
agnaths are
无颌鱼是
an agnath
一条无颌鱼
agnath group
无颌鱼群体
ancient agnath
古代无颌鱼
agnath fossil
无颌鱼化石
primitive agnath
原始无颌鱼
agnath characteristics
无颌鱼特征
the agnath represents the most primitive form of vertebrates.
无颌类代表了脊椎动物最原始的形式。
marine biologists study the fossil record of the agnath.
海洋生物学家研究无颌类的化石记录。
unlike jawed fish, an agnath lacks paired fins.
与有颌鱼不同，无颌类没有成对的鳍。
the lamprey is a living example of an agnath.
七鳃鳗是无颌类的一个现存例子。
paleontologists class the extinct ostracoderm as an agnath.
古生物学家将已灭绝的甲胄鱼归类为无颌类。
the evolution of the agnath marks a significant milestone.
无颌类的进化标志着一个重要的里程碑。
comparative anatomy reveals the simplicity of the agnath.
比较解剖学揭示了无颌类的简单性。
agnath species were abundant during the silurian period.
无颌类物种在志留纪时期非常丰富。
filter feeding is common among agnath groups.
滤食在无颌类群体中很常见。
the circulatory system of an agnath is quite basic.
无颌类的循环系统非常基础。
hagfish are another type of modern agnath.
盲鳗是另一种现代无颌类。
agnath fish
无颌鱼
the agnath
这种无颌鱼
agnath species
无颌鱼物种
agnaths are
无颌鱼是
an agnath
一条无颌鱼
agnath group
无颌鱼群体
ancient agnath
古代无颌鱼
agnath fossil
无颌鱼化石
primitive agnath
原始无颌鱼
agnath characteristics
无颌鱼特征
the agnath represents the most primitive form of vertebrates.
无颌类代表了脊椎动物最原始的形式。
marine biologists study the fossil record of the agnath.
海洋生物学家研究无颌类的化石记录。
unlike jawed fish, an agnath lacks paired fins.
与有颌鱼不同，无颌类没有成对的鳍。
the lamprey is a living example of an agnath.
七鳃鳗是无颌类的一个现存例子。
paleontologists class the extinct ostracoderm as an agnath.
古生物学家将已灭绝的甲胄鱼归类为无颌类。
the evolution of the agnath marks a significant milestone.
无颌类的进化标志着一个重要的里程碑。
comparative anatomy reveals the simplicity of the agnath.
比较解剖学揭示了无颌类的简单性。
agnath species were abundant during the silurian period.
无颌类物种在志留纪时期非常丰富。
filter feeding is common among agnath groups.
滤食在无颌类群体中很常见。
the circulatory system of an agnath is quite basic.
无颌类的循环系统非常基础。
hagfish are another type of modern agnath.
盲鳗是另一种现代无颌类。
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