在作食物网,同级内可以互相吃么?比如,鸟吃昆虫,所以鸟是primary consumer,但是昆虫是吃草的,所以它不能算producer,那也算是primary consumer了,那鸟还是primary consumer? or secondary consumer? 相关知识点: 试题来源: 解析 secondary consumer鸟吃虫,虫吃植物,虫是初级消费者植物是生产者...
secondary consumer 鸟吃虫,虫吃植物,虫是初级消费者 植物是生产者
secondary consumers C. decomposers D. other primary consumers 相关知识点: 试题来源: 解析 A。解析:在生态系统中,初级消费者(primary consumers)主要依赖生产者(producers),因为初级消费者是以植物(生产者)为食的。选项B次级消费者以初级消费者为食;选项C分解者与初级消费者没有这种依赖关系;选项D初级消费者不...
A. the secondary consumer itself B. the primary consumer C. the producer D. the sun 相关知识点: 试题来源: 解析 D。解析:当次级消费者吃初级消费者时,它获得的能量最初来自太阳。因为生产者通过光合作用从太阳获取能量,初级消费者吃生产者获取能量,次级消费者再吃初级消费者获取能量。反馈...
a secondary consumer C. a tertiary consumer D. a producer 相关知识点: 试题来源: 解析 C。解析:在海洋生态系统中,鲨鱼处于较高的营养级。鲨鱼会捕食一些次级消费者,如一些小型食肉鱼类等,所以鲨鱼是三级消费者。它不是初级消费者,初级消费者如一些浮游动物是以浮游植物为食的。也不是二级消费者,二级消费...
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...
anotore secondo la ricendicazione 1 notore secondo la ricendicazione 1 [translate] awe need to work out the value and make sure the procedure is followed 我们需要制定出价值,并且确定做法被跟随 [translate] a2.Draft models of products’ primary and secondary (consumer) packaging. [translate] ...
Primary Mortgage Market vs. Secondary Mortgage Market The primary market is made up of primary lenders. Primary lenders typically keep the loans they originate as part of their portfolio and service them for the life of the loan. However, the bank that made the mortgage loan can sell the loan...
If a butterfly is eating nectar on a plant and the butterfly is eaten by a bird and the bird is eaten by a lion, what primary producer, primary consumer, secondary consumer and tertiary consumer? Which of the following statements is...
2010 . Does the nutrient stoichiometry of primary producers affect the secondary consumer Pleurobrachia pileus ?. Aquat. Ecol. , 44:: 233–242.Schoo KL, Aberle N, Malzahn AM, Boersma M (2010) Does the nutrient stoichiometry of primary producers affect the secondary consumer Pleurobrachia ...