实现生物多样性和陆地食物供应目标的一种选择是用更少的土地生产更高的产量，从而腾出土地用于保护目的。
One option for moving toward both biodiversity and terrestrial food supply goals is to produce greater yields from less land, thereby freeing land for conservation purposes.
这些适应机制保证了植物形态多样性的不断增加，以便它们开拓干旱的陆地。
These adaptations allowed an increasing diversity of plant forms to exploit dry land.
不管形成山脉的原因是什么，一旦陆地上升到海平面以上，它就会受到毁灭性的力量的影响。
Whatever the reason for mountain formation, as soon as land rises above sea level it is subjected to destructive forces.
应用推荐