B.presence of irregular seasonal differences in the desertC.large surface area that the plants must expose to the SunD.extreme heat and aridity of the habitat 点击查看答案&解析 单项选择题 Growth, reproduction, and daily metabolism all require an organism to expend energy. The expenditure of ...
denitrificationThe conversion of nitrate (NO3– ) in a series of steps into the gases nitrous oxide (N2O) and,eventually, nitrogen gas (N2), which is emitted into the atmosphere. detritivoreAn organism that specializes in breaking down dead tissues and waste products into smaller particles. Ecosy...
aThe Habitat of an organism is the type of place where it usually lives. A description of the habitat may include other organisms that live there (often the dominant vegetation) as well as the physical and chemical characteristics of the environment (such as temperature, soil quality, or water...
读者的选择单词表P30 new words of the politics of travel 1.fragile: Easily broken, damaged, or destroyed; frail 脆弱的 2.ecosystem: An ecological community together with its environment, functioning as a unit生态系统 3.trek: To journey on foot, especially to hike through mountainous areas步行 4...
D.They have nothing to do with the historic view of an area. 2. Which of the following is true according to the author? A.We should reproduce the same old buildings. B.Buildings should not dominate their surroundings. C.No one understands why people speak against new buildings. ...
Parasiteis <br/> A、an organism that grows part or all of the time on or within another organism of a different species(known as its host),and from which it derives all or part of its food. <br/> B、an organism that lives on dead organic matter.<br/> C、
The latest report from the IPCC highlights the dramatic toll warming has taken on the world's water.
Discussion: The Description of a Local Ecosystem Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. What populations and communities are present? How de What are the environmental impacts of cli...
For example, in the forest of New England, in the northeastern United States, there are some small songbirds called wobblers and right in the same area you've got five species of wobbler, all about the same size and all having similar diets of insects, uh, insects that are found on and...
“a sustained multigenerational, mutualistic relationship in which one organism assumes a significant degree of influence over the reproduction and care of another organism in order to secure a more predictable supply of a resource of interest, and through which the partner organism gains advantage ...