An ecosystem is defined as an interacting unit that includes both the biologicalcommunity as well as the non-living components of an area. The living and thenon-living components of an ecosystem interact amongst themselves and functionas a unit, which gets evident during the processes of nutrient...
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...
百度试题 结果1 题目Each step in the flow of energy through an ecosystem is known as a___. ( ) A. food chain B. food web C. consumer D. trophic level 相关知识点: 试题来源: 解析 D 反馈 收藏
In an ecosystem, a population is defined as a group of individuals of the same species living in the same area at the same time. Which of the following is an example of a population? A. All the plants and animals in a forest B. All the rabbits in a meadow C. All the different ...
In an ecosystem, which one can be considered as an abiotic factor that affects plants? A. Bees B. Butterflies C. Soil type D. Birds 相关知识点: 试题来源: 解析 C。解析:在生态系统中,影响植物的非生物因素(abiotic factor)。选项A“Bees”(蜜蜂)、选项B“Butterflies”(蝴蝶)和选项D“Birds”(...
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 healt...
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 ...
In the following energy flow diagram of an ecosystem (shown as a simple pyramid), which level has the least amount of energy available? A. Producers B. Primary consumers C. Secondary consumers D. Tertiary consumers 相关知识点: 试题来源: ...
The energy in an ecosystem is transferred through a food chain. As the energy moves up the food chain, it ___. A. increases B. stays the same C. decreases D. fluctuates randomly 相关知识点: 试题来源: 解析 C。本题考查生态系统中能量流动的特点。能量在食物链中流动时,会逐级递减。反馈 ...