首页
登录
职称英语
The eight chipmunk species of the Sierra Nevada represent but a few of the 1
The eight chipmunk species of the Sierra Nevada represent but a few of the 1
游客
2025-02-06
34
管理
问题
The eight chipmunk species of the Sierra Nevada represent but a few of the 15 species found in western North America, yet the whole of eastern North America makes do with but one species: the Eastern chipmunk. Why are there so many very similar chipmunks in the West? The presence of tall mountains
interspersed with
vast areas of arid desert and grassland makes the West ecologically far different from the East. The West affords much more opportunity for chipmunk populations to become geographically isolated from one another, a condition of species formation. Also, there are more extremes in western habitats. In the Sierra Nevada, high elevations are close to low elevations, at least in terms of mileage, but ecologically they are very different. [br] The phrase "
interspersed with
" in the passage is closest in meaning to
选项
A、distributed among
B、covered by
C、positioned above
D、evolved from
答案
A
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3944704.html
相关试题推荐
Themostaggressiveofthefoureastern-slopespeciesisthelodgepolechipm
Theanswer,inoneword,isaggression.Chipmunkspeciesactivelydefendthe
Theanswer,inoneword,isaggression.Chipmunkspeciesactivelydefendthe
Mostecologistsbelievethatancientpopulationsofchipmunksdivergedgenet
Mostecologistsbelievethatancientpopulationsofchipmunksdivergedgenet
TheeightchipmunkspeciesoftheSierraNevadarepresentbutafewofthe1
"ExoticandEndangeredSpecies"Whenyouhearsomeonebubblingenthusiastical
"ExoticandEndangeredSpecies"Whenyouhearsomeonebubblingenthusiastical
"ExoticandEndangeredSpecies"Whenyouhearsomeonebubblingenthusiastical
"ExoticandEndangeredSpecies"Whenyouhearsomeonebubblingenthusiastical
随机试题
THEHISTORYOFCOMMUNICATIONTECHNOLOGY1Communicationtechnologyi
当碳化深度平均值与实测钢筋保护层厚度平均值的比值≥2时,混凝土碳化深度评定标度为
下列属于资产证券化业务管理人职责的是()。 ①对相关交易主体和基础资产进行
下列不属于产后2小时内在产房内急需观察的内容是A.子宫收缩 B.宫底高度 C
部门预算的基本含义是()。A.由财政部门编制 B.部门是预算编制的基础
单元体处于纯剪应力状态,其主应力特点为: A.σ1=σ2>0,σ3=0
英国在北美最早的殖民地是()A.马萨诸塞 B.纽约 C.弗吉尼亚 D.马
当前,某银行贷款余额的50%为房地产行业贷款,利润也有超过50%来自该类型贷款,
患者胸闷隐痛,时作时止,心悸气短,倦怠懒言,头晕,失眠多梦。舌红少苔,脉弱而细数
工程质量事故的责任处罚,要依据()和有关法律法规的规定。A.第三方机构对事故的调
最新回复
(
0
)