首页
登录
职称英语
Like all animal species, plant species must spread their offspring to suitabl
Like all animal species, plant species must spread their offspring to suitabl
游客
2023-12-20
65
管理
问题
Like all animal species, plant species must spread their offspring to suitable areas where they
can grow and pass on their parent’s genes.
Young animals generally spread by walking or flying. 【M1】_____
Because plants don’t have that ability,
they may somehow hitchhike. Some plant seeds scatter by 【M2】_____
blowing in the wind or floating on water. Many other plant species, though, trick an animal into
carrying their seeds. How do they do? They enclose them within a tasty fruit and advertise the fruit’s
ripeness by its color or smell.
The hungry animal collects and swallows the fruit, walks or flies off, but 【M3】_____
later spits out the seeds somewhere far from its parent tree.
Seeds can thereby be carried thousands 【M4】_____
of miles. It may surprise you to learn that plant seeds can resist digestion. In fact, some seeds
actually require passage through an animal’s body before they can grow. Wild strawberries offer a
good example of hitchhiking tactic.
When strawberry seeds are still young and not yet ready to be 【M5】_____
planted, the surrounding fruit is green, sour, and hard.
When the seeds final mature, the berries turn 【M6】_____
red, sweet, and tender. The change in the berries’ color serves as a signal to birds which then eat the strawberries, fly off, and eventually spit out the seeds.
Naturally, strawberry plants doesn’t set out 【M7】_____
with a conscious intent of attracting birds only when
their seeds were ready to be dispersed away. 【M8】_____
Nor did birds set out with the intent of planting strawberries. Rather, strawberry plants evolved
through natural selection.
The sweeter and reder the final strawberry, the more birds spread its ripe 【M9】_____
seeds;the greener and more sour the young strawberry,
the birds destroyed the seeds by eating 【M10】_____
berries before the seeds were ready. [br] 【M9】
选项
答案
reder改成redder
解析
拼写错误。
转载请注明原文地址:http://tihaiku.com/zcyy/3290653.html
相关试题推荐
[originaltext]Healthexpertssaywashingyourhandsreducesthespreadofvi
[originaltext]Healthexpertssaywashingyourhandsreducesthespreadofvi
[originaltext]Healthexpertssaywashingyourhandsreducesthespreadofvi
Speciesinterdependenceinnatureconfersmanybenefitsonthespeciesinvol
Speciesinterdependenceinnatureconfersmanybenefitsonthespeciesinvol
Infact,theysay,onereasonendangered-specieslegislationhasnotpassedist
Infact,theysay,onereasonendangered-specieslegislationhasnotpassedist
Infact,theysay,onereasonendangered-specieslegislationhasnotpassedist
Thelargestanimalthateverlivedonlandorinwaterstillexists.Noteve
Thelargestanimalthateverlivedonlandorinwaterstillexists.Noteve
随机试题
NEC41.sustainitsgrowthwhilestayinggreen.
[originaltext]Washington(dpa)-AfterthefailuresoftheirpasttwoMarsm
ClassifythefollowingideasasrelatingtoAtheLimitationsTheoryBtheCentr
OfalltheemployedworkersintheUnitedStates,12.5millionarepartofa
关于平装,说法正确的有( )。A.平装也称“简装” B.平装分为普通平装和勒
我国的人口数采用()的方法获取。A.普查 B.抽样调查 C.典型
合规负责人未按照规定向国务院证券监督管理机构或者有关自律组织报告违法违规行为的,
A.五虎汤合葶苈大枣泻肺汤 B.三拗汤 C.小青龙汤 D.麻杏石甘汤 E
Thechangeinthatvillagewasmiraculou
在行政法学中,行政法治原则对行政主体的要求可以概括为依法行政。具体可分解为(
最新回复
(
0
)