In a forest ecosystem, plants provide habitat for many animals. The relationship between plants and animals is an example of ___. A. interdependence B. independence C. competition D. predation 相关知识点: 试题来源: 解析 A。本题考查名词辨析。在森林生态系统中,植物为动物提供栖息地,动物也为植物...
There are many animals and plants in the forest, which helps to maintain the balance of the ecosystem.(森林里有很多动物和植物,这有助于维持生态系统的平衡。) A. balance B. imbalance C. equilibrium D. disequilibrium 相关知识点: 试题来源: 解析 A。本题考查“生态平衡”的表达,“balance”表示...
forest,a dense growth of trees, together with other plants, covering a large area of land. The science concerned with the study, preservation, and management of forests isforestry. A forest is an ecosystem—a community of plants and animals interacting with one another and with the physical en...
In a forest ecosystem, the interaction between plants and animals is very important. This interaction is called ___. A. 子果产观提党和使究表权五别越子果产观提党和使究表权五别越symbiosis子果产观提党和使究表权五别越子果产观提党和使究表权五别越 B. 象见克算积正传信活级领象见克算...
A forest ecosystem is a dynamic set of living organisms: plants, animals and microorganisms, that are characterized by a predominance of trees, all interacting among themselves, with the environment in which they live (soil, climate, water and light) and ecological cycles (energy, water, carbon...
Yet there is one major danger to these ___(replace) plants and animals: us.Over the past 50 years, about 17 percent of the rainforest ___(disappear) due to human activities.As a result, most of the forest’s nutrients are locked up in the plants themselves, thus ___(...
A native forest has all the parts working together—structure (all age classes especially older), composition (the natives), and function (e.g., natural disturbances, food-web dynamics). It should be noted that a forest is not just a collection of plants. The animals codesign the ...
Forest plants and animals alter soil characteristics, for example, by adding organic matter, which generally increases the rate at which water infiltrates and is retained. Nutrient elements cycle differently from water and from each other. Elements such as phosphorus, calcium, and magnesium are releas...
In a forest ecosystem, which of the following animals is most likely to live in the trees? A. Deer B. Squirrel C. Rabbit D. Fox 相关知识点: 试题来源: 解析 B。解析:在森林生态系统中,松鼠(Squirrel)是最有可能生活在树上的动物。鹿(Deer)主要生活在森林的地面上,它们以草、树叶等为食。兔子...
A. Only a few kinds of plants B. A large amount of ice and snow C. A great variety of plants and animals D. Few animals 相关知识点: 试题来源: 解析 C。解析:热带雨林生态系统不是只有几种植物,它有着丰富的植物和动物种类(a great variety of plants and animals)。热带雨林中没有大量冰雪,...