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: ...
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...
COMPETITION Competition occurs when two or more organisms of the same or different species attempt to use the same limited resource. Species can compete even if they never come into contact with each other. PARASITISM Parasitism is when an organism lives in or on another organism and feeding on ...
And natural systems, of all the things we can investigate with science, are particularly hard to nail down. But ecologists are always trying. In 1935, an English botanist named Arthur Tansley— strongly influenced by Danish botanist Eugenius Warming— introduced the term "ecosystem" in a paper ...
An ecosystem consists of the living and nonliving things in an area ___ interact with one another. A.thatB.whereC.whoD.what 请仔细审题,看清楚题目要求,认真作答! 正确答案 验证码: 查看正确答案 试题解析 该句句意为一个生态系统由一个区域内的可以相互作用的生物和非生物成的。句意可知,___ int...
10.An ecosystem consists of the living and nonliving things in an area ___ interact with one another.( ) A. that B. where C. who D. what 相关知识点: 试题来源: 解析 分析 一个生态系统由一个区域内的可以相互作用的生物和非生物成的. 解答 答案A. 分析句子结构可知,"___ interact with ...
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...
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”,...
"___ 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...
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...