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
56
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:https://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
OntheOriginofBodyLanguageTheOriginofBodyLanguage
Thestrategiesemployedbylearnersintheplanning,supervisionandevaluation
ThenativepeopleofNorthandSouthAmericaweregiventhename"Indians"b
[originaltext]Intherushtoreinventthewaywelive,dothetechreformer
1948年欧洲革命发生后,沙皇俄国和奥地利共同镇压了()A.捷克革命 B.匈
健康活动指导中,自我感知运动强度方便实用,对中等强度活动的自我感觉描述正确的包括
某新建项目整个生产线在交付生产前进行的负荷联合试运转所发生的费用净支出属于(
教师在教育教学活动中居于主导地位的基本权利是()A.参加进修和培训权 B.
主要用于易燃、易爆场所中探测可燃气体的浓度,一般调整在爆炸浓度下限的1/5~1/
关于妇科病普查普治工作的资料统计以下哪项是错误的A.妇科病普查率=该年该地区实查
最新回复
(
0
)