With time and isolation, its animals have adapted 随着时间流逝与地理隔断的出现 岛上的动物们不断适应
And these provide opportunities for life to experiment and evolve. 这为不同生命的进化与试验 提供了机会
The limited food and space on small islands 岛屿上有限的食物和空间
And their serrated teeth are as sharp as steak knives. 锯齿形状的牙齿像牛排刀一样锋利
And there are some 2,000 of them here. 而这座岛上有约两千只巨蜥
Ten feet long and weighing an impressive 150 lbs, 体长三米 重达六十八公斤
and she won't mate again until it leaves her in about six months' time. 在幼崽六个月后长大离开之前 她不会再次交配
And this, for a sloth, is a quick reaction. 对树懒来说 这反应堪称迅猛