基本信息
阅读理解精选4 the african elephant , the largest land animal remaining on earth , is of great importance to african ecosystem(生态系统). unlike other animals, the african elephant is to a great extent the builder of its environment. as a big plant-eater, it largely shapes the forest-and-savanna(大草原) surroundings in which it lives, therefore setting the terms of existence for millions of other animals that live in its habitat. [来源:学,科,网z,x,x,k] it is the elephant's great desire for food that makes it a disturber of the environment and an important builder of its habitat. in its continuous search for the 300 pounds of plants it must have
