1. What are the three major ecosystems of the Earth?2. When did China join the Ramsar Convention on Wetlands? 相关知识点: 试题来源: 解析 Wetlands. forests and oceans. In 1992.根据第一段第二句 可知地球三大生态系统是森林海洋和湿地 根据第三段中“ The year of 2023 is the 32nd year that...
Ecosystems: What they areWright, R T
A. Warm temperatures B. Low altitudes C. Harsh conditions of high altitudes D. Humid climates 相关知识点: 试题来源: 解析 C。原因:文中提到“There are many species of plants that are adapted to the harsh conditions of high altitudes.”。 反馈...
解析 The soil and the deep sea.反馈 收藏
An ecosystem is an ecological unit that contains a relatively uniform vegetation base and the animals and other organisms that depend upon it. It also includes the non-living components such as soil and organic matter. The benefits of ecosystems will var
题目DCities are diverse ecosystems. In addition to visitors from the wild, such as coyotes(丛林狼) in Los Angeles or boars(野猪) in Berlin, a large number of species share our urban areas. As our cities spread, we need to think about what it is like for other species...
these are the people dont respect for nature, there is no natural, no human. This is a simple truth in the world, people will only blindly rob nature, conquering nature, will only damage ecosystems, deserve it, make human on the brink of trouble. Bear in mind that protecting our environm...
A warmer planet doesn’t just raise temperatures. From wildfires to flooding to coral bleaching, here are some real-world implications.
About one third of the Earth's land is covered in forest. The primary plant in this ecosystem is trees. Forest ecosystems are subdivided by the type of tree they contain and the amount of precipitation they receive. Some examples of forests are are temperate deciduous, temperate rainforest, ...
How does an ecosystem(生态系统)work?What makes the populations of different species the way they are?Why are there so many flies and so few wolves?To find an answer,scientists have built mathematical models of food webs,noting who eats whom and how much each one eats. ...