下列有关现代生物进化理论的叙述错误的是（）A．个体是生物进化

首页 / 高中生物 / 试题详细

下列有关现代生物进化理论的叙述错误的是（）

A．个体是生物进化的基本单位

B．生物进化的实质是基因频率的定向改变

C．基因频率发生定向改变表明生物在进化

D．新物种的形成不一定要经过地理隔离

登录免费查看答案和解析

相关试题

Supposing you _________ the lottery, what would you do with the money?

A．would win	B．have won
C．had won	D．won

收藏答案/解析

---What’s your comment on the match?
--- we ________, but today was not our day.

A．need have scored	B．could have scored
C．should score	D．would score

收藏答案/解析

If my lawyer ______ here last Saturday, he ______ me from going.

A．had been; would have prevented

B．had been; would prevent

C．were; would prevent

D．were; would have prevented

收藏答案/解析

______ the good chance to get promoted then, he would be a sales manager now.

A．If he seized	B．If he were to seized
C．If he had seized	D．If he should seize

收藏答案/解析

They were abroad during the months when we were carrying out the investigation, or they _____ to our help.

A．would have come	B．could come
C．have come	D．had come

收藏答案/解析

推荐套卷

热门套卷

粤ICP备20024846号

声明：本网站部分内容由互联网用户自发贡献自行上传，本网站不拥有所有权，也不承担相关法律责任。
如果您发现有涉嫌版权的内容，欢迎发送邮件至：service@youtike.com 或联系QQ：267757 进行举报，一经查实，本站将立刻删除涉嫌侵权内容。