下面是小编整理的生物类的词汇，这类词汇通常是考试中比较专业的词汇，复习好这类词汇，对大家的阅读理解会有很好的帮助。
1. speciation 物种形成
In some fungi, there is evidence of incipient speciation.
2. isolate 使隔离，使隔绝
A chemist can isolate the oxygen from the hydrogen in water.
3. formation 构成，形成
This is the formation of a new government.
4. physical 物质的，身体的
Drugs taken during pregnancy may cause physical deformity in babies.
5. subpopulation 亚族群，亚人口，分组人口
Each subpopulation was set around a dominating particle called the species seed.
6. separation 分离，分隔，分开
The state's eventual separation from the federation.
7. absence 缺勤，缺少
accumulate 累积
In the absence of gene flow between the subpopulations, genetic differences between the groups begin to accumulate.
8. interbreed 异种交配，杂交
Eventually the subpopulations become so genetically distinct that they cannot interbreed even if the physical barriers between them were removed.
9. evolve 进化
At this point the subpopulations have evolved into distinct species.
10. allopatry 异域分布，异域性
This route to speciation is known as allopatry.
11. normal 正常的，标准的
trickle 滴，细细流淌
steady 稳定定，不变的
So even under normal situations the gene flow among the subpopulations is more of an intermittent trickle than a steady stream.
12. insect 虫，昆虫
The change separated populations of insects now living along opposite shore, completely cutting off gene flow between them.
13. fossil 化石
We find evidence of such extended events in the fossil record.
14. glacier 冰川，冰河
Rocks of assorted sizes and shapes are embeded in the bottom of a glacier.
15. reproductive 生殖的，复制的
descend 下降，降临
Some groups that had descended from the same parent population were no longer reproductively compatible.
16. imperceptibly 无感觉的，不知不觉的
Time fled, and she was surprised to find the year passed imperceptibly.
17. tectonic 构造的，建筑的
The tectonic stress the Earth are mainly on the upper lithosphere.
18. isthmus 地峡
North America is connected with South America by the Isthmus of Panama.
19. enzyme 酶
He compared four enzymes found in the muscles of each population.
20. electrophoresis 电泳疗法
Electrophoresis is a technique that separates macromolecules according to their net electrical charge and shape.
21. adaption 适应，改编
Therefore, adaption and co-existence is one of culture implications in Li River.
22. random 任意的，随机的
. The teacher might suddenly address individual students at random.
23. mutation 转变，突变，变异
Spontaneous and induced mutation occur with animals viruses.
24. divergence 分叉，分歧，离题
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