地理翻譯_翻譯-4

The biosphere occupies those parts of the atmosphere , hydrosphere, and geosphere where life is found .If the earth were an apple,the biosphere would be no thicker than the apple's skin. The goal of ecology is to understand the interactions in this thin layer of air,water,soil,and organisms.

生物圈佔有這些地區的大氣，水圈和岩石圈的生活被發現。如果地球是一個蘋果，生物圈不會厚比蘋果的皮膚。生態環境的目標是了解的相互作用，在這一層薄薄的空氣，水，土壤和生物。

Life Exists on Land and in Water

生命存在於陸地和水

Biologists have classified the terrestrial(land)portion of the biologists into biomes-large regions such as forests, deserts,and grasslands, with distinct climates and certain species (especially vegetation)adapted to them. Figure 3_6show different major biomes along the 39th parallel spanning the United States (see figure 5 on p.S19 in supplement 4 for a map of the major biomes of North America).

生物學家們分為地面（土地）部分生物學家到生物群落，大地區，如森林，荒漠和草原，具有獨特的氣候和某些物種（尤其是植物）適應他們。圖3_6show沿線各主要生物群落的第39次平行橫跨美國（見圖5 p.S19在補充4 ，地圖的主要生物群落的北美） 。