Which of the following is a primary consumer? A. 省万第商观各水支且省万第商观各水支且lion省万第商观各水支且省万第商观各水支且 B. 包际属半调之量权院政目级己较利入确下包际属半调之量权院政目级己较利入确下deer包际属半调之量权院政目级己较利入确下包际属半调之量权院政目级...
A. Lion B. Grasshopper C. Tree D. Mushroom 相关知识点: 试题来源: 解析 B。解析:在生态系统中,初级消费者是以植物为食的生物。Grasshopper(蝗虫)以植物为食,是初级消费者。Lion(狮子)是肉食性动物,属于次级消费者或者更高级别的消费者。Tree(树)是生产者,通过光合作用制造食物。Mushroom(蘑菇)是分解者,...
Which of the following is an example of a primary consumer? A. Lion B. Deer C. Hawk D. Grass 相关知识点: 试题来源: 解析 B。解析:初级消费者是以植物为食的生物。鹿是以草等植物为食,属于初级消费者。狮子和鹰是次级或三级消费者,草是生产者。
A. Wolf. B. Prairie dog. C. Bison. D. Coyote. 相关知识点: 试题来源: 解析 C。解析:文中指出“the herbivores like bison and antelope are the primary consumers as they eat the grasses”,狼(A选项)和郊狼(D选项)是次级消费者,草原犬鼠(B选项)是杂食动物,而野牛是食草的初级消费者。反馈...
A. Lion B. Grasshopper C. Eagle 相关知识点: 试题来源: 解析 B。解析:在草原生态系统中,初级消费者是以植物为食的生物。草蜢以草等植物为食,属于初级消费者;狮子是肉食性动物,属于高级消费者;鹰也是肉食性动物,不属于初级消费者。反馈 收藏
C。解析:次级消费者(secondary consumers)的功能包括吃初级消费者(Eating primary consumers)、控制初级消费者的数量(Controlling the population of primary consumers)以及在食物链中向上传递能量(Transferring energy up the food chain),但是产生氧气(Producing oxygen)是生产者(如植物)的功能,不是次级消费者的功能。反...
A lie which is half a truth is ever the blackest of lies. 真假参半的谎言最险恶. 《现代汉英综合大词典》 展开全部 真题例句 全部 四级 六级 高考 考研 These extra features are deemed unnecessary by the majority of shoppers, which probably reflects how these types of products are typically more ...
甲公司与乙公司签订供货销售合同，甲公司向乙公司支付定金30万元。后由于情况发生变化，原合同约定的货物无法进行生产，乙公司也无资金退还甲公司，甲公司向其所在地的区公安局报案称被乙公司法定代表人王某诈骗30万元。公安机关立案后，将王某传唤到公安局，要求王某与甲公司签订了还款协议书，并将扣押的乙公司...
Primary Consumer Definition, Functions & Examples from Chapter 17/ Lesson 16 104K Discover what is a primary consumer in an ecosystem. Identify functions and types of consumers in a food chain. Study examples of animals that are primary co...
The Invisible Hand of the Market In economics, the term "invisible hand" is used to describe the mechanisms that lead to spontaneous social benefits in a free market economy. These processes are "spontaneous" in the sense that they take place without dictate from a central authority, such ...