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 收藏
How do living things interact ()? Is there food, water,comfortable temperature or shelter? All of the answers to these questions are found in the ecosystem. An ecosystem is all living things and non-living things and how they interact with each other. Ecology is the study of how all ...
What are the living parts of an ecosystem? Which organism belongs to more than one trophic level? What is the basis for classification of organisms? What characteristics do all living things share? What are the trophic levels in a food chain?
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Answer to: A group of populations living in the same place at the same time is called a(n) ___. (a) Community (b) Deme (c) Ecosystem (d)...
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...
解析 that 【详解】 考查定语从句。句意:生态系统由一个区域内的生物和非生物相互作用组成。分析句子结构可知,空处引导定语从句,先行词是living and nonliving things,在从句中作主语,因为先行词既包含有生命的又包含无生命的,只能用that引导。故填that。反馈 收藏 ...
This, right now, is an opportunity for you to reflect on what nourishes you, and to break the patterns of things that do not. How would it feel to have a nourishing career? Has anyone ever asked you that before? I’m sure no one has asked me. What would a nourishing career look ...
"___ interact with one another"是定语从句,修饰先行词"the living and nonliving things",故排除D项,"what"不能用于定语从句.在该定语从句中,谓语动词"interact"前缺少主语,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...
是定语从句,修饰先行词“the living and nonliving things”,故排除D项,“what”不能用于定语从句.在该定语从句中,谓语动词“interact”前缺少主语,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,因此只能用“that”,...