首页
登录
职称英语
Most ecologists believe that ancient populations of chipmunks diverged genet
Most ecologists believe that ancient populations of chipmunks diverged genet
游客
2024-01-03
60
管理
问题
Most ecologists believe that ancient populations of chipmunks
diverged
genetically when isolated from one another by mountains and unfavorable ecological habitat. These scattered populations first evolved into races—adapted to the local ecological conditions—and then into species, reproductively isolated from
one another
. This period of evolution was relatively recent, as evidenced by the similar appearance of all the western chipmunk species. [br] The phrase "
one another
" in the passage refers to
选项
A、populations
B、races
C、ecological conditions
D、species
答案
D
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3330147.html
相关试题推荐
Choosethecorrectletter,A,BorC.[br]Theteacherbelievesthattheindustr
Choosethecorrectletter,A,BorC.[br]Thestudentbelievesthathighways[o
Choosethecorrectletter,A,BorC.[br]Concerninganeclipse,theancientCh
AustralianAboriginalArtAncientartrockandbarkpaintingsanddraw
AustralianAboriginalArtAncientartrockandbarkpaintingsanddraw
AustralianAboriginalArtAncientartrockandbarkpaintingsanddraw
AustralianAboriginalArtAncientartrockandbarkpaintingsanddraw
AustralianAboriginalArtAncientartrockandbarkpaintingsanddraw
ThepassagemainlydiscussesancientGreekpotteryandits[br]Accordingtot
ThepassagemainlydiscussesancientGreekpotteryandits[br]Theword“pres
随机试题
Peoplecanbeaddictedtodifferentthings—e.g.alcohol,drugs,certainf
精湛的exquisite
AtimelystudyinthejournalHumanFactorssuggestswhytextingwhiledrivi
The______physicisthasbeenchallengedbyothersinhisfield.(1996年考试真题)A、resp
Thegovernmentshoulddo______liesinitspowertoimprovethelivingstandard
某学校拟在母亲节举办专项感恩庆祝活动。至于开展何种活动形式,组织者小红、小华、小
结构详图主要是为了清楚地表达重要构件的结构做法。一般包括(),楼梯结构详图,屋
下列不属于缓控释制剂主要释药机制的是A.溶出 B.扩散 C.溶蚀 D.渗透
电容器组过电压保护用金属氧化物避雷器应安装在紧靠电容器组(____)入口处位置。
男孩,3岁。发热伴咳嗽3天,加重伴呼吸困难1天,自服抗生素治疗。查体:T39℃
最新回复
(
0
)