为什么企鹅能在南极安家?

因为企鹅全身长满了又密又厚的羽毛,在羽毛下面还生有密密的绒毛,而且企鹅的身上又有厚厚的脂肪，都能起到保温的作用.使得企鹅能适应南极气候,另外企鹅是游泳好手,在南极的海里有企鹅爱吃的鱼,所以企鹅能在南极安家.

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