生物多樣性 英文

1、生物多樣性 英文 ships of desert -exposition 生物多樣性 英文exposition Exposition is explanatory writing. Its purpose is to explain or clarify a point Patterns of exposition: exemplification ;process analysis ;cause effect analysis; comparison and contrast; classification ;analogy; definition. 生物多樣性 英文Organization

2、 Part 1 (para. 1-8): the list of the images of environmental destruction: the drying up of the Aral; deforestation; air pollution Part 2 (para. 9-16): analysis of the global threats posed by the environmental destruction and the common cause-the change in the relationship between human civilization

3、and the earths natural balance Part 3 (para. 17-26): the solution to environmental destructions- reinventing and healing the relationship between civilization and the earth生物多樣性 英文Loss of biodiversity 生物多樣性 英文Biodiversity（生物多樣性）Definition：Biological diversity (biodiversity) refers to a range of dive

4、rse living organisms (animals, plants, micro-organisms) on a regular basis constituted by the combination of stable ecological complexes.生物多樣性 英文Value of biodiversity and its significance ：Direct value：（1） biodiversity provides food, fiber, building materials and furniture, and other industrial raw

5、materials for human beings.生物多樣性 英文（2）Biodiversity also have aesthetic value（美學(xué)價值）, we can cultivate our sentiments and beautify peoples lives. In addition, biodiversity can also stimulate inspiration for literary and artistic creation. winter sweet 生物多樣性 英文chrysanthemum 生物多樣性 英文bamboo生物多樣性 英文（3）Bio

6、diversity has an important ecological function. No matter what kind of ecosystem, wildlife is one of the essential components. Wildlife once reduced, the ecosystem stability would be destroyed, the survival environment of mankind would also be affected. 生物多樣性 英文the potential value: as far as the med

7、icinal properties, 80% of the populations in developing countries rely on plants or animals, to ensure the basic health.生物多樣性 英文生物多樣性 英文生物多樣性 英文Causes of biodiversity reduction:1、The rapid increase in population.生物多樣性 英文The population keeps increasing, so arable land must be expanded to meet demands of eating, this becomes the direct threat to the natural eco-systems.生物多樣性 英文2、Overexploitation 生物多樣性 英文Environmental pollution 生物多樣性 英文killing生物多樣性 英文生物多樣性 英文N