A. ecosystem B. species diversity C. food chain D. population 相关知识点: 试题来源: 解析 B。本题考查生态科学的基本概念。A 选项“ecosystem”指的是生态系统;C 选项“food chain”是食物链;D 选项“population”是种群。而“species diversity”指的是物种多样性,符合题意。反馈...
1v3环境适应All living things in an ecosystem(生态系统)needair,food,water,and shelter.To help them get what theyneed,plants and animals have adaptations(适应性).Abat's wings are an adaptation.An owl's ability to heartny(微小的)sounds at night can help it hunt at night.Itis also an adapt...
There are many living things in an ecosystem. The ___ keep the balance of the ecosystem. A. producers B. consumers C. decomposers D. hunters 相关知识点: 试题来源: 解析 C。本题考查生态系统中各类生物的作用。生产者(producers)能制造有机物,消费者(consumers)消耗有机物,分解者(decomposers)能将...
根据句意可知,___ interact with one another是定语从句,修饰先行词the living and nonliving things,故排除what,what不能用于定语从句。 在该定语从句中,interact 缺少主语,因此排除B项。That 既可以代指人,也可以代指物,who只能代指人,根据中的先行词是the living and nonliving things 是既有人又有物,因此...
Water is essential for all living things in an ecosystem. How does the lack of water mainly affect plants? A. It makes plants grow faster B. It causes plants to wilt and may die C. It has no effect on plants D. It makes plants change color 相关知识点: ...
解析 C。原因:文章中明确提到“It means that all the living things and non-living things in an ecosystem are in a state of harmony.”。 答案:C。原因:文章中明确提到“It means that all the living things and non-living things in an ecosystem are in a state of harmony.”。 >...
1. An ecosystem consists of the living and nonliving things in an areainteract with one another.2. Last month, part of Southeast Asia was struck by floods, fromeffects the people are stillsuffering.3. After the flooding, people were suffering in that area,urgently needed clean water, medicine...
An ecosystem consists of the living and nonliving things in an area ___ interact with one another.A: thatB: whereC: whoD: what 相关知识点: 试题来源: 解析 A正确率: 55%, 易错项: B翻译生态系统由一个区域内相互作用的生物和非生物组成。 本题主要考查定语从句。结合句意,生态系统由一个区域内...
题目【题目】An ecosystem consists of the living and nonliving things in an area ___ interact with one another.A: thatB:whereC: whoD: what 相关知识点: 试题来源: 解析 【解析】A翻译生态系统由一个区域内相互作用的生物和非生物组成。 反馈 收藏 ...
In an ecosystem, plants are connected to other living things through ___. A. food chains B. food webs C. both A and B D. none of the above 相关知识点: 试题来源: 解析 C。在生态系统中,植物通过食物链和食物网与其他生物相联系,所以答案是 C。反馈...