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...
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...
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?
"___ 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...
Though living organisms may not be of the same species, they still can be dependent on one another. It is important to understand the interdependence of living organisms within an ecosystem in order to obtain a clearer understanding of the succession of
An ecosystem consists of the living and nonliving things in an area ___ interact with one another. A. that B. where C. who D. what 4An ecosystem consists of the living and nonliving things in an area ___ interact with one another. A. that B. where C. who D. what 5 An ecos...
An ocean is a large ecosystem full 2 living things. Plants, animals, and nonliving things, such as water, rocks, and sand, are part of an ocean ecosystem. A pond is 3 example of a small ecosystem. Ecosystems are always 4 (change). Some changes take many years. A pond can dry up ...
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)...
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”,...
Parasitism Mutualism A relationship in which both species benefit. From the Desert Giant, the relationship between the saguaro and the long-nosed bat is an example of mutualism. As you sit in this classroom, You are also participating in mutualism… ...