A. The Ecosystem生態系統 An ecosystem is defined as a complex formed by the living community of differentspecies interacting with one another and with their non-living environment of matter and energy to result in a stable and self-sustainable system. Components of an ecosystem:living community an...
An ecosystem is defined as an ecological community together with its environment, functioning as a unit. To be more ___41__, an ecosystem is a complex set of relationships among the living resources, ___42___, and residents of an area, composed of organisms that work together to remain...
In an ecosystem, plants are considered as ___ because they can produce their own food. A. consumers B. decomposers C. producers D. scavengers 相关知识点: 试题来源: 解析 C。解析:在生态系统中,生产者(producers)是能够自己制造食物的生物,植物通过光合作用制造食物,所以植物是生产者。消费者(consumer...
An ecosystem is defined as an ecological community together with its environment, functioning as a unit. To be more {{U}} {{U}} 1 {{/U}} {{/U}}, an ecosystem is a complex set of relationships amongthe living resources, {{U}} {{U}} 2 {{/U}} {{/U}}, and residents of ...
A. act as a decomposer B. be eaten by consumers C. provide energy for producers D. hunt for prey 相关知识点: 试题来源: 解析 C。解析:在生态系统中,太阳的主要作用是为生产者提供能量,植物等生产者通过光合作用将太阳能转化为化学能。太阳不是分解者,A选项错误。太阳不会被消费者食用,B选项...
Ecosystem: An ecosystem is referred to as a place where several types of living beings coexist and creates mutual interdependence, including plants, animals, and other species. Abiotic variables, or nonliving components, coexist with biotic elements in ecosystems. ...
The objective of this paper is to propose a new framework to understand the rela- tionship between ecology and society. For the purpose, we try to build the theory of "ecosystem" as an autopoietic system, based on the concept of "autopoiesis" and social system theory. The concept of "aut...
Over the past 20 years, the term "ecosystem" has become pervasive in discussions of strategy, both scholarly and applied. Its rise has mirrored an increasing interest and concern among both researchers and managers with interdependence across organizations and activities. This article presents a struct...
When it comes to the interaction between trophic cascades and biodiversity effects on ecosystem function, it is important to note the different foci by different scientific sub-disciplines. In the fundamental literature, the focus is often not on biodiversity as an insurance to maintain functions in...
Critics of ecotourism also cite that increased tourism to (13) ___ areas or ecosystems without proper planning and management can actually harm the ecosystem and its species because the infrastructure needed to sustain tourism such as roads can contribute to environmental degradation (恶化). Ecotour...