首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Certain insects, such as the monarch butterfl
Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate. Certain insects, such as the monarch butterfl
admin
2012-11-30
51
问题
Populations have 3 agents, namely, a birth rate, a death rate, and a growth rate.
Certain insects, such as the monarch butterfly, can incorporate poisonous substances found in food plants into their own tissues and use them as ______.
选项
答案
a defense against predators
解析
参见小标题4.Coevolution下面第6句:Certain insects,such as the monarch butterfly,can incorporate poisonous substances found in food plants into their own tissues and use them as a defense against predators.
转载请注明原文地址:https://kaotiyun.com/show/p8b7777K
0
大学英语六级
相关试题推荐
We______thatwewillmeetacertainamountofresistancetoourshort-termplan.
Jackfoundtherewasn’tagoodprimaryschoolinthe,sohesenthissontoaboardingschoolfarawayfromhome.
Asoureyesrangedoverthebroadshouldersofthemountain,theconceptionofits______grewuponus.
Asoureyesrangedoverthebroadshouldersofthemountain,theconceptionofits______grewuponus.
Reducingpopulationgrowthimproveboth______ofpeopleandtheenvironment.
Itwasfeltthathelackedthe_______topursueadifficulttasktotheveryend.
Mainstreameconomistsprofessmuchpuzzlementoverthefailureoftherateofproductivitygrowthto______sofarinthisdecade
It’spleasureforhimto______(把他的精力,甚至把生命奉献给研究工作).
A、OneCoolJobB、TastingwithEyesC、JohnHarrison’sLifeD、FlavorsofIceCreamA选项中的实词首字母均大写表明,本题考查短文标题。短文开头就提到工作,接着引出一份特别的工作:
A、Awriter.B、Adoctor.C、Anactor.D、Ateacher.C选项均为表示身份职业的名词表明,本题可能考查某人的工作类型。由短文中提到的TheWesternmethodwasdevelopedbyMr.Ba
随机试题
下列有关衍生金融工具说法错误的是:()。
委托人与监理人签定了委托监理合同后,委托人可以行合( )。
企业收到包装物退回的押金,已存入银行,则应()。
学校及其他教育机构对教学辅助人员和其他专业技术人员实行()制度。
下列不属于幼儿园教师工作职责的内容是()
A.AsHSBCDataProcessing(Shanghai)Limitedcontinuestogrow,weinvitepeoplewhoexcelinachallenginganddynamicwork
A、Itwillputtheproductivefarmlandindanger.B、Itmayimproveconditionsforsomeinvasivespecies.C、Itisawarningsignf
A、Itssouthernpartismostsuitabletolivein.B、Itisawonderfulplaceforshopping.C、Itdoesn’thavemanyentertainmentpl
A、Theleftpan.B、Therightpart.C、Theupperpart.D、Thelowerpan.AForaten-month-oldbaby,whichpartofthebrainisactiv
Mostyoungpeopleenjoysomeformofphysicalactivity.Itmaybewalking,cyclingorswimming,or,inwinter,skatingorskiing
最新回复
(
0
)