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
2025-01-09
15
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] 【M8】
选项
答案
away改成away
解析
away在此处是多余的,故去掉。
转载请注明原文地址:https://tihaiku.com/zcyy/3905212.html
相关试题推荐
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
TheValueofAnimalResearch Toparaphrase18th-centurystatesmanEdmu
1 Owingtothewidespreadexpansionofcasinos,thecostofpathologicalandpr
Skeletalremainswithanimalbonebladestiedtothefeettestifytoskating’
Skeletalremainswithanimalbonebladestiedtothefeettestifytoskating’
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
Likeallanimalspecies,plantspeciesmustspreadtheiroffspringtosuitabl
随机试题
_____inthepast,atthemomentitisafavoritechoiceforweddinggown.A、Unpop
Whenyourchildissupposedtobedoinghomework,aretheychattingwiththe
Whenwethinkofentrepreneurs,mostofusimagine【C1】______,successful,ov
保险法的特点:保险法是以传统关系为调整对象的法律规范的简称。
美国学者弗雷德·卢森斯和他的合作者通过研究发现,有效的管理者(用工作成绩的数量和
A.滋阴潜阳B.补肺胃生津C.软坚散结D.补肝肾明目E.益肾健骨女贞子与枸杞子均
(1)鲜花摆上货架(2)给花朵浇水(3)建造玻璃暖房(4)市场调查(5)
Ⅱ类易燃液体指的是闪点小于(),初沸点大于()的液体。A.23°,35°
甲省广播电视局以某制药厂非法印制出版物为由处其8万元罚款。制药厂不服,向广播电视
属于施工总承包工作内容的有()。A.设计 B.设备和材料采购 C.土建施工
最新回复
(
0
)