Which of the following best describes the relationship between different organisms in an ecosystem? A. All organisms are independent B. Only predators and prey have relationships C. Organisms are interconnected and depend on each other D. Herbivores have no relationship with plants 相关知识点: ...
Which of the following best describes the relationship between predators and prey in an ecosystem? A. Predators always outnumber prey. B. The presence of predators has no effect on prey population. C. An increase in predator population may lead to a decrease in prey population. D. Prey are...
There are various ecosystems in the world such as deserts, grasslands, forests, and wetlands, among others. The characteristics of the ecosystems vary from one geographical region to another. This question is about the constituents of the wetlands ecosyste...
repairs made last year to a vehicle which you want to sell this year
产业系统中的“企业(Firm)”与生态系统中的“生物(organism)”,哪种描述不确切 For a firm in an industrial system and an organism in an ecosystem, which of the following describes inexactly A.都是各自系统中的最基本单元 Is the elementary unit in their respective systems B.能够独立活动 Can act ...
A. The variety of different species in an ecosystem B. The number of plants in a forest C. Only the large animals in an area D. The amount of water in a river 相关知识点: 试题来源: 解析 A。解析:生物多样性指的是生态系统中不同物种的多样性,包括动物、植物、微生物等各种生物种类的丰富...
In an ecosystem, different species occupy different niches. Which of the following best describes the importance of this in terms of environmental protection? A. It reduces competition among species so that they can co - exist, which helps maintain the balance of the ecosystem B. It allows ...
When examining the hierarchy of life, which of the following terms is most inclusive? A. biosphere B. population C. species D. ecosystem Hierarchical Organization of Life: Life on planet earth is organized in a hierarchy. Levels that are...
Which of the following feeds on organic wastes? Choose one. (a) decomposers (b) consumers (c) producers Trophic Levels of an Organism A trophic level refers to the organizational pyramid that shows the food chain within the ecosystem. It starts from the produc...
Eventually, the western states diverted much of their produce from the rivers to the Erie Canal, a shorter route to eastern markets.Which of the following best describes the general tone of the letter (Passage 2) A.Angry and aggressive.B.Firm but polite.C.Reasonable but impolite.D.Polite ...