Role of bactria in carbon cycle is 02:18 In the absence of decomposers , ecosystem functioning is adversely aff... 03:17 The reservoir for the gaseous type of bio-geo chemical cycle exists in... 01:57 Which of the following is an ecosystem service provided by a natural e... 02:38Exa...
Which of the following is NOT a part of an ecosystem? A. sunlight B. air C. water D. plastic bag 相关知识点: 试题来源: 解析 D。本题考查生态系统的组成部分。生态系统包括生物部分和非生物部分,生物部分包括生产者、消费者和分解者,非生物部分包括阳光、空气、水等。塑料袋不是生态系统的组成部分...
题目 Which of the following is an abiotic factor in an ecosystem? 查看整本 限时0.1元开通VIP 新客低价 结果一 结果二 结果三 结果四 结果五 结果六 有用 收藏 报错 题目 113.7万热度 难度 Which of the following is an abiotic factor in an ecosystem? A. Tree B. Bird C. Water D....
Which of the following is an ecosystem ? AA small pond BA large forest CA sea DAll of the aboveSubmit Which of the following sector comes under the category of tertiary sector ? APrimary sector BSecondary sector CService sector DNone of theseSubmit Which of the following come(s)under the ...
The new study is a result of the continued research led by Dr. Charles Boutron, an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France. A study by Dr. Boutron published in 1991 showed that lead levels in arctic (北极的) snow...
Submit Which of the following is an artificial ecosystem ? Apond Bcrop field Clake DforestSubmit Which of the following is an artificial ecosystem ARice-field BForest CGrassland DLakeSubmit Which one of the following is an artificial ecosystem ? View Solution Which of the following is NOT an...
百度试题 结果1 题目Which of the following is a non-living thing in an ecosystem? A. tree B. bird C. water D. rabbit 相关知识点: 试题来源: 解析 C。水是生态系统中的非生物因素。树、鸟和兔子都是生物。反馈 收藏
Which of the following is an example of a detritivore in an ecosystem? A. Bee B. Ant C. Earthworm D. Butterfly 相关知识点: 试题来源: 解析 C。蚯蚓是分解者中的食腐动物,选项 A 蜜蜂、选项 B 蚂蚁和选项 D 蝴蝶都不是食腐动物。
Directions: In this section, you will hear several conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversations and the questions will be spoken only once. After each question there will be a pause. During the pause, you ...
An ecosystem could survive the loss of some species, but if enough species were lost, the ecosystem would be severely degraded. In fact, it is possible that the loss of a single important species could start a cascade of extinctions that might dramatically change an entire ecosystem. A good ...